diff --git a/packages/google-container/.mocharc.js b/packages/google-container/.mocharc.js
index cdb7b752160..49e7e228701 100644
--- a/packages/google-container/.mocharc.js
+++ b/packages/google-container/.mocharc.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/.prettierrc.js b/packages/google-container/.prettierrc.js
index d546a4ad546..1e6cec783e4 100644
--- a/packages/google-container/.prettierrc.js
+++ b/packages/google-container/.prettierrc.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/protos/google/container/v1/cluster_service.proto b/packages/google-container/protos/google/container/v1/cluster_service.proto
index e422e2213d3..28303a65be3 100644
--- a/packages/google-container/protos/google/container/v1/cluster_service.proto
+++ b/packages/google-container/protos/google/container/v1/cluster_service.proto
@@ -1781,6 +1781,11 @@ message Cluster {
   // Node pool configs that apply to all auto-provisioned node pools
   // in autopilot clusters and node auto-provisioning enabled clusters.
   NodePoolAutoConfig node_pool_auto_config = 136;
+
+  // This checksum is computed by the server based on the value of cluster
+  // fields, and may be sent on update requests to ensure the client has an
+  // up-to-date value before proceeding.
+  string etag = 139;
 }
 
 // Node pool configs that apply to all auto-provisioned node pools
@@ -1979,6 +1984,11 @@ message ClusterUpdate {
   // The desired config of Gateway API on this cluster.
   GatewayAPIConfig desired_gateway_api_config = 114;
 
+  // The current etag of the cluster.
+  // If an etag is provided and does not match the current etag of the cluster,
+  // update will be blocked and an ABORTED error will be returned.
+  string etag = 115;
+
   // The desired node pool logging configuration defaults for the cluster.
   NodePoolLoggingConfig desired_node_pool_logging_config = 116;
 
@@ -2321,6 +2331,11 @@ message UpdateNodePoolRequest {
   // Enable or disable gvnic on the node pool.
   VirtualNIC gvnic = 29;
 
+  // The current etag of the node pool.
+  // If an etag is provided and does not match the current etag of the node
+  // pool, update will be blocked and an ABORTED error will be returned.
+  string etag = 30;
+
   // Enable or disable NCCL fast socket for the node pool.
   FastSocket fast_socket = 31;
 
@@ -3129,6 +3144,11 @@ message NodePool {
   // Output only. [Output only] Update info contains relevant information during a node
   // pool update.
   UpdateInfo update_info = 109 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // This checksum is computed by the server based on the value of node pool
+  // fields, and may be sent on update requests to ensure the client has an
+  // up-to-date value before proceeding.
+  string etag = 110;
 }
 
 // NodeManagement defines the set of node management services turned on for the
diff --git a/packages/google-container/protos/google/container/v1beta1/cluster_service.proto b/packages/google-container/protos/google/container/v1beta1/cluster_service.proto
index 0c2e6c16d74..b997df6eb08 100644
--- a/packages/google-container/protos/google/container/v1beta1/cluster_service.proto
+++ b/packages/google-container/protos/google/container/v1beta1/cluster_service.proto
@@ -1961,6 +1961,11 @@ message Cluster {
 
   // Enable/Disable Protect API features for the cluster.
   optional ProtectConfig protect_config = 137;
+
+  // This checksum is computed by the server based on the value of cluster
+  // fields, and may be sent on update requests to ensure the client has an
+  // up-to-date value before proceeding.
+  string etag = 139;
 }
 
 // WorkloadConfig defines the flags to enable or disable the
@@ -2234,6 +2239,11 @@ message ClusterUpdate {
   // The desired config of Gateway API on this cluster.
   GatewayAPIConfig desired_gateway_api_config = 114;
 
+  // The current etag of the cluster.
+  // If an etag is provided and does not match the current etag of the cluster,
+  // update will be blocked and an ABORTED error will be returned.
+  string etag = 115;
+
   // The desired node pool logging configuration defaults for the cluster.
   NodePoolLoggingConfig desired_node_pool_logging_config = 116;
 
@@ -2612,6 +2622,11 @@ message UpdateNodePoolRequest {
   // Enable or disable gvnic on the node pool.
   VirtualNIC gvnic = 29;
 
+  // The current etag of the node pool.
+  // If an etag is provided and does not match the current etag of the node
+  // pool, update will be blocked and an ABORTED error will be returned.
+  string etag = 30;
+
   // Enable or disable NCCL fast socket for the node pool.
   FastSocket fast_socket = 31;
 
@@ -3609,6 +3624,11 @@ message NodePool {
   // Output only. [Output only] Update info contains relevant information during a node
   // pool update.
   UpdateInfo update_info = 109 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // This checksum is computed by the server based on the value of node pool
+  // fields, and may be sent on update requests to ensure the client has an
+  // up-to-date value before proceeding.
+  string etag = 110;
 }
 
 // NodeManagement defines the set of node management services turned on for the
diff --git a/packages/google-container/protos/protos.d.ts b/packages/google-container/protos/protos.d.ts
index a622ca98a1b..33544a6bd23 100644
--- a/packages/google-container/protos/protos.d.ts
+++ b/packages/google-container/protos/protos.d.ts
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -5249,6 +5249,9 @@ export namespace google {
 
                 /** Cluster nodePoolAutoConfig */
                 nodePoolAutoConfig?: (google.container.v1.INodePoolAutoConfig|null);
+
+                /** Cluster etag */
+                etag?: (string|null);
             }
 
             /** Represents a Cluster. */
@@ -5446,6 +5449,9 @@ export namespace google {
                 /** Cluster nodePoolAutoConfig. */
                 public nodePoolAutoConfig?: (google.container.v1.INodePoolAutoConfig|null);
 
+                /** Cluster etag. */
+                public etag: string;
+
                 /** Cluster _nodePoolDefaults. */
                 public _nodePoolDefaults?: "nodePoolDefaults";
 
@@ -5952,6 +5958,9 @@ export namespace google {
                 /** ClusterUpdate desiredGatewayApiConfig */
                 desiredGatewayApiConfig?: (google.container.v1.IGatewayAPIConfig|null);
 
+                /** ClusterUpdate etag */
+                etag?: (string|null);
+
                 /** ClusterUpdate desiredNodePoolLoggingConfig */
                 desiredNodePoolLoggingConfig?: (google.container.v1.INodePoolLoggingConfig|null);
 
@@ -6079,6 +6088,9 @@ export namespace google {
                 /** ClusterUpdate desiredGatewayApiConfig. */
                 public desiredGatewayApiConfig?: (google.container.v1.IGatewayAPIConfig|null);
 
+                /** ClusterUpdate etag. */
+                public etag: string;
+
                 /** ClusterUpdate desiredNodePoolLoggingConfig. */
                 public desiredNodePoolLoggingConfig?: (google.container.v1.INodePoolLoggingConfig|null);
 
@@ -7027,6 +7039,9 @@ export namespace google {
                 /** UpdateNodePoolRequest gvnic */
                 gvnic?: (google.container.v1.IVirtualNIC|null);
 
+                /** UpdateNodePoolRequest etag */
+                etag?: (string|null);
+
                 /** UpdateNodePoolRequest fastSocket */
                 fastSocket?: (google.container.v1.IFastSocket|null);
 
@@ -7106,6 +7121,9 @@ export namespace google {
                 /** UpdateNodePoolRequest gvnic. */
                 public gvnic?: (google.container.v1.IVirtualNIC|null);
 
+                /** UpdateNodePoolRequest etag. */
+                public etag: string;
+
                 /** UpdateNodePoolRequest fastSocket. */
                 public fastSocket?: (google.container.v1.IFastSocket|null);
 
@@ -9944,6 +9962,9 @@ export namespace google {
 
                 /** NodePool updateInfo */
                 updateInfo?: (google.container.v1.NodePool.IUpdateInfo|null);
+
+                /** NodePool etag */
+                etag?: (string|null);
             }
 
             /** Represents a NodePool. */
@@ -10009,6 +10030,9 @@ export namespace google {
                 /** NodePool updateInfo. */
                 public updateInfo?: (google.container.v1.NodePool.IUpdateInfo|null);
 
+                /** NodePool etag. */
+                public etag: string;
+
                 /**
                  * Creates a new NodePool instance using the specified properties.
                  * @param [properties] Properties to set
@@ -24825,6 +24849,9 @@ export namespace google {
 
                 /** Cluster protectConfig */
                 protectConfig?: (google.container.v1beta1.IProtectConfig|null);
+
+                /** Cluster etag */
+                etag?: (string|null);
             }
 
             /** Represents a Cluster. */
@@ -25049,6 +25076,9 @@ export namespace google {
                 /** Cluster protectConfig. */
                 public protectConfig?: (google.container.v1beta1.IProtectConfig|null);
 
+                /** Cluster etag. */
+                public etag: string;
+
                 /** Cluster _nodePoolDefaults. */
                 public _nodePoolDefaults?: "nodePoolDefaults";
 
@@ -25810,6 +25840,9 @@ export namespace google {
                 /** ClusterUpdate desiredGatewayApiConfig */
                 desiredGatewayApiConfig?: (google.container.v1beta1.IGatewayAPIConfig|null);
 
+                /** ClusterUpdate etag */
+                etag?: (string|null);
+
                 /** ClusterUpdate desiredNodePoolLoggingConfig */
                 desiredNodePoolLoggingConfig?: (google.container.v1beta1.INodePoolLoggingConfig|null);
 
@@ -25958,6 +25991,9 @@ export namespace google {
                 /** ClusterUpdate desiredGatewayApiConfig. */
                 public desiredGatewayApiConfig?: (google.container.v1beta1.IGatewayAPIConfig|null);
 
+                /** ClusterUpdate etag. */
+                public etag: string;
+
                 /** ClusterUpdate desiredNodePoolLoggingConfig. */
                 public desiredNodePoolLoggingConfig?: (google.container.v1beta1.INodePoolLoggingConfig|null);
 
@@ -26909,6 +26945,9 @@ export namespace google {
                 /** UpdateNodePoolRequest gvnic */
                 gvnic?: (google.container.v1beta1.IVirtualNIC|null);
 
+                /** UpdateNodePoolRequest etag */
+                etag?: (string|null);
+
                 /** UpdateNodePoolRequest fastSocket */
                 fastSocket?: (google.container.v1beta1.IFastSocket|null);
 
@@ -26988,6 +27027,9 @@ export namespace google {
                 /** UpdateNodePoolRequest gvnic. */
                 public gvnic?: (google.container.v1beta1.IVirtualNIC|null);
 
+                /** UpdateNodePoolRequest etag. */
+                public etag: string;
+
                 /** UpdateNodePoolRequest fastSocket. */
                 public fastSocket?: (google.container.v1beta1.IFastSocket|null);
 
@@ -30153,6 +30195,9 @@ export namespace google {
 
                 /** NodePool updateInfo */
                 updateInfo?: (google.container.v1beta1.NodePool.IUpdateInfo|null);
+
+                /** NodePool etag */
+                etag?: (string|null);
             }
 
             /** Represents a NodePool. */
@@ -30218,6 +30263,9 @@ export namespace google {
                 /** NodePool updateInfo. */
                 public updateInfo?: (google.container.v1beta1.NodePool.IUpdateInfo|null);
 
+                /** NodePool etag. */
+                public etag: string;
+
                 /**
                  * Creates a new NodePool instance using the specified properties.
                  * @param [properties] Properties to set
diff --git a/packages/google-container/protos/protos.js b/packages/google-container/protos/protos.js
index 66959bda6df..e6763077914 100644
--- a/packages/google-container/protos/protos.js
+++ b/packages/google-container/protos/protos.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12022,6 +12022,7 @@
                      * @property {google.container.v1.ILoggingConfig|null} [loggingConfig] Cluster loggingConfig
                      * @property {google.container.v1.IMonitoringConfig|null} [monitoringConfig] Cluster monitoringConfig
                      * @property {google.container.v1.INodePoolAutoConfig|null} [nodePoolAutoConfig] Cluster nodePoolAutoConfig
+                     * @property {string|null} [etag] Cluster etag
                      */
     
                     /**
@@ -12540,6 +12541,14 @@
                      */
                     Cluster.prototype.nodePoolAutoConfig = null;
     
+                    /**
+                     * Cluster etag.
+                     * @member {string} etag
+                     * @memberof google.container.v1.Cluster
+                     * @instance
+                     */
+                    Cluster.prototype.etag = "";
+    
                     // OneOf field names bound to virtual getters and setters
                     var $oneOfFields;
     
@@ -12707,6 +12716,8 @@
                             $root.google.container.v1.MonitoringConfig.encode(message.monitoringConfig, writer.uint32(/* id 133, wireType 2 =*/1066).fork()).ldelim();
                         if (message.nodePoolAutoConfig != null && Object.hasOwnProperty.call(message, "nodePoolAutoConfig"))
                             $root.google.container.v1.NodePoolAutoConfig.encode(message.nodePoolAutoConfig, writer.uint32(/* id 136, wireType 2 =*/1090).fork()).ldelim();
+                        if (message.etag != null && Object.hasOwnProperty.call(message, "etag"))
+                            writer.uint32(/* id 139, wireType 2 =*/1114).string(message.etag);
                         return writer;
                     };
     
@@ -13016,6 +13027,10 @@
                                     message.nodePoolAutoConfig = $root.google.container.v1.NodePoolAutoConfig.decode(reader, reader.uint32());
                                     break;
                                 }
+                            case 139: {
+                                    message.etag = reader.string();
+                                    break;
+                                }
                             default:
                                 reader.skipType(tag & 7);
                                 break;
@@ -13336,6 +13351,9 @@
                             if (error)
                                 return "nodePoolAutoConfig." + error;
                         }
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            if (!$util.isString(message.etag))
+                                return "etag: string expected";
                         return null;
                     };
     
@@ -13630,6 +13648,8 @@
                                 throw TypeError(".google.container.v1.Cluster.nodePoolAutoConfig: object expected");
                             message.nodePoolAutoConfig = $root.google.container.v1.NodePoolAutoConfig.fromObject(object.nodePoolAutoConfig);
                         }
+                        if (object.etag != null)
+                            message.etag = String(object.etag);
                         return message;
                     };
     
@@ -13711,6 +13731,7 @@
                             object.loggingConfig = null;
                             object.monitoringConfig = null;
                             object.nodePoolAutoConfig = null;
+                            object.etag = "";
                         }
                         if (message.name != null && message.hasOwnProperty("name"))
                             object.name = message.name;
@@ -13855,6 +13876,8 @@
                             object.monitoringConfig = $root.google.container.v1.MonitoringConfig.toObject(message.monitoringConfig, options);
                         if (message.nodePoolAutoConfig != null && message.hasOwnProperty("nodePoolAutoConfig"))
                             object.nodePoolAutoConfig = $root.google.container.v1.NodePoolAutoConfig.toObject(message.nodePoolAutoConfig, options);
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            object.etag = message.etag;
                         return object;
                     };
     
@@ -14607,6 +14630,7 @@
                      * @property {google.container.v1.IGcfsConfig|null} [desiredGcfsConfig] ClusterUpdate desiredGcfsConfig
                      * @property {google.container.v1.INetworkTags|null} [desiredNodePoolAutoConfigNetworkTags] ClusterUpdate desiredNodePoolAutoConfigNetworkTags
                      * @property {google.container.v1.IGatewayAPIConfig|null} [desiredGatewayApiConfig] ClusterUpdate desiredGatewayApiConfig
+                     * @property {string|null} [etag] ClusterUpdate etag
                      * @property {google.container.v1.INodePoolLoggingConfig|null} [desiredNodePoolLoggingConfig] ClusterUpdate desiredNodePoolLoggingConfig
                      * @property {google.container.v1.StackType|null} [desiredStackType] ClusterUpdate desiredStackType
                      */
@@ -14923,6 +14947,14 @@
                      */
                     ClusterUpdate.prototype.desiredGatewayApiConfig = null;
     
+                    /**
+                     * ClusterUpdate etag.
+                     * @member {string} etag
+                     * @memberof google.container.v1.ClusterUpdate
+                     * @instance
+                     */
+                    ClusterUpdate.prototype.etag = "";
+    
                     /**
                      * ClusterUpdate desiredNodePoolLoggingConfig.
                      * @member {google.container.v1.INodePoolLoggingConfig|null|undefined} desiredNodePoolLoggingConfig
@@ -15052,6 +15084,8 @@
                             $root.google.container.v1.NetworkTags.encode(message.desiredNodePoolAutoConfigNetworkTags, writer.uint32(/* id 110, wireType 2 =*/882).fork()).ldelim();
                         if (message.desiredGatewayApiConfig != null && Object.hasOwnProperty.call(message, "desiredGatewayApiConfig"))
                             $root.google.container.v1.GatewayAPIConfig.encode(message.desiredGatewayApiConfig, writer.uint32(/* id 114, wireType 2 =*/914).fork()).ldelim();
+                        if (message.etag != null && Object.hasOwnProperty.call(message, "etag"))
+                            writer.uint32(/* id 115, wireType 2 =*/922).string(message.etag);
                         if (message.desiredNodePoolLoggingConfig != null && Object.hasOwnProperty.call(message, "desiredNodePoolLoggingConfig"))
                             $root.google.container.v1.NodePoolLoggingConfig.encode(message.desiredNodePoolLoggingConfig, writer.uint32(/* id 116, wireType 2 =*/930).fork()).ldelim();
                         if (message.desiredStackType != null && Object.hasOwnProperty.call(message, "desiredStackType"))
@@ -15240,6 +15274,10 @@
                                     message.desiredGatewayApiConfig = $root.google.container.v1.GatewayAPIConfig.decode(reader, reader.uint32());
                                     break;
                                 }
+                            case 115: {
+                                    message.etag = reader.string();
+                                    break;
+                                }
                             case 116: {
                                     message.desiredNodePoolLoggingConfig = $root.google.container.v1.NodePoolLoggingConfig.decode(reader, reader.uint32());
                                     break;
@@ -15468,6 +15506,9 @@
                             if (error)
                                 return "desiredGatewayApiConfig." + error;
                         }
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            if (!$util.isString(message.etag))
+                                return "etag: string expected";
                         if (message.desiredNodePoolLoggingConfig != null && message.hasOwnProperty("desiredNodePoolLoggingConfig")) {
                             var error = $root.google.container.v1.NodePoolLoggingConfig.verify(message.desiredNodePoolLoggingConfig);
                             if (error)
@@ -15697,6 +15738,8 @@
                                 throw TypeError(".google.container.v1.ClusterUpdate.desiredGatewayApiConfig: object expected");
                             message.desiredGatewayApiConfig = $root.google.container.v1.GatewayAPIConfig.fromObject(object.desiredGatewayApiConfig);
                         }
+                        if (object.etag != null)
+                            message.etag = String(object.etag);
                         if (object.desiredNodePoolLoggingConfig != null) {
                             if (typeof object.desiredNodePoolLoggingConfig !== "object")
                                 throw TypeError(".google.container.v1.ClusterUpdate.desiredNodePoolLoggingConfig: object expected");
@@ -15776,6 +15819,7 @@
                             object.desiredGcfsConfig = null;
                             object.desiredNodePoolAutoConfigNetworkTags = null;
                             object.desiredGatewayApiConfig = null;
+                            object.etag = "";
                             object.desiredNodePoolLoggingConfig = null;
                             object.desiredStackType = options.enums === String ? "STACK_TYPE_UNSPECIFIED" : 0;
                         }
@@ -15859,6 +15903,8 @@
                             object.desiredNodePoolAutoConfigNetworkTags = $root.google.container.v1.NetworkTags.toObject(message.desiredNodePoolAutoConfigNetworkTags, options);
                         if (message.desiredGatewayApiConfig != null && message.hasOwnProperty("desiredGatewayApiConfig"))
                             object.desiredGatewayApiConfig = $root.google.container.v1.GatewayAPIConfig.toObject(message.desiredGatewayApiConfig, options);
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            object.etag = message.etag;
                         if (message.desiredNodePoolLoggingConfig != null && message.hasOwnProperty("desiredNodePoolLoggingConfig"))
                             object.desiredNodePoolLoggingConfig = $root.google.container.v1.NodePoolLoggingConfig.toObject(message.desiredNodePoolLoggingConfig, options);
                         if (message.desiredStackType != null && message.hasOwnProperty("desiredStackType"))
@@ -18208,6 +18254,7 @@
                      * @property {google.container.v1.IGcfsConfig|null} [gcfsConfig] UpdateNodePoolRequest gcfsConfig
                      * @property {google.container.v1.IConfidentialNodes|null} [confidentialNodes] UpdateNodePoolRequest confidentialNodes
                      * @property {google.container.v1.IVirtualNIC|null} [gvnic] UpdateNodePoolRequest gvnic
+                     * @property {string|null} [etag] UpdateNodePoolRequest etag
                      * @property {google.container.v1.IFastSocket|null} [fastSocket] UpdateNodePoolRequest fastSocket
                      * @property {google.container.v1.INodePoolLoggingConfig|null} [loggingConfig] UpdateNodePoolRequest loggingConfig
                      * @property {google.container.v1.IResourceLabels|null} [resourceLabels] UpdateNodePoolRequest resourceLabels
@@ -18382,6 +18429,14 @@
                      */
                     UpdateNodePoolRequest.prototype.gvnic = null;
     
+                    /**
+                     * UpdateNodePoolRequest etag.
+                     * @member {string} etag
+                     * @memberof google.container.v1.UpdateNodePoolRequest
+                     * @instance
+                     */
+                    UpdateNodePoolRequest.prototype.etag = "";
+    
                     /**
                      * UpdateNodePoolRequest fastSocket.
                      * @member {google.container.v1.IFastSocket|null|undefined} fastSocket
@@ -18477,6 +18532,8 @@
                             $root.google.container.v1.ConfidentialNodes.encode(message.confidentialNodes, writer.uint32(/* id 23, wireType 2 =*/186).fork()).ldelim();
                         if (message.gvnic != null && Object.hasOwnProperty.call(message, "gvnic"))
                             $root.google.container.v1.VirtualNIC.encode(message.gvnic, writer.uint32(/* id 29, wireType 2 =*/234).fork()).ldelim();
+                        if (message.etag != null && Object.hasOwnProperty.call(message, "etag"))
+                            writer.uint32(/* id 30, wireType 2 =*/242).string(message.etag);
                         if (message.fastSocket != null && Object.hasOwnProperty.call(message, "fastSocket"))
                             $root.google.container.v1.FastSocket.encode(message.fastSocket, writer.uint32(/* id 31, wireType 2 =*/250).fork()).ldelim();
                         if (message.loggingConfig != null && Object.hasOwnProperty.call(message, "loggingConfig"))
@@ -18597,6 +18654,10 @@
                                     message.gvnic = $root.google.container.v1.VirtualNIC.decode(reader, reader.uint32());
                                     break;
                                 }
+                            case 30: {
+                                    message.etag = reader.string();
+                                    break;
+                                }
                             case 31: {
                                     message.fastSocket = $root.google.container.v1.FastSocket.decode(reader, reader.uint32());
                                     break;
@@ -18731,6 +18792,9 @@
                             if (error)
                                 return "gvnic." + error;
                         }
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            if (!$util.isString(message.etag))
+                                return "etag: string expected";
                         if (message.fastSocket != null && message.hasOwnProperty("fastSocket")) {
                             var error = $root.google.container.v1.FastSocket.verify(message.fastSocket);
                             if (error)
@@ -18842,6 +18906,8 @@
                                 throw TypeError(".google.container.v1.UpdateNodePoolRequest.gvnic: object expected");
                             message.gvnic = $root.google.container.v1.VirtualNIC.fromObject(object.gvnic);
                         }
+                        if (object.etag != null)
+                            message.etag = String(object.etag);
                         if (object.fastSocket != null) {
                             if (typeof object.fastSocket !== "object")
                                 throw TypeError(".google.container.v1.UpdateNodePoolRequest.fastSocket: object expected");
@@ -18899,6 +18965,7 @@
                             object.gcfsConfig = null;
                             object.confidentialNodes = null;
                             object.gvnic = null;
+                            object.etag = "";
                             object.fastSocket = null;
                             object.loggingConfig = null;
                             object.resourceLabels = null;
@@ -18945,6 +19012,8 @@
                             object.confidentialNodes = $root.google.container.v1.ConfidentialNodes.toObject(message.confidentialNodes, options);
                         if (message.gvnic != null && message.hasOwnProperty("gvnic"))
                             object.gvnic = $root.google.container.v1.VirtualNIC.toObject(message.gvnic, options);
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            object.etag = message.etag;
                         if (message.fastSocket != null && message.hasOwnProperty("fastSocket"))
                             object.fastSocket = $root.google.container.v1.FastSocket.toObject(message.fastSocket, options);
                         if (message.loggingConfig != null && message.hasOwnProperty("loggingConfig"))
@@ -25720,6 +25789,7 @@
                      * @property {google.container.v1.NodePool.IUpgradeSettings|null} [upgradeSettings] NodePool upgradeSettings
                      * @property {google.container.v1.NodePool.IPlacementPolicy|null} [placementPolicy] NodePool placementPolicy
                      * @property {google.container.v1.NodePool.IUpdateInfo|null} [updateInfo] NodePool updateInfo
+                     * @property {string|null} [etag] NodePool etag
                      */
     
                     /**
@@ -25884,6 +25954,14 @@
                      */
                     NodePool.prototype.updateInfo = null;
     
+                    /**
+                     * NodePool etag.
+                     * @member {string} etag
+                     * @memberof google.container.v1.NodePool
+                     * @instance
+                     */
+                    NodePool.prototype.etag = "";
+    
                     /**
                      * Creates a new NodePool instance using the specified properties.
                      * @function create
@@ -25947,6 +26025,8 @@
                             $root.google.container.v1.NodePool.PlacementPolicy.encode(message.placementPolicy, writer.uint32(/* id 108, wireType 2 =*/866).fork()).ldelim();
                         if (message.updateInfo != null && Object.hasOwnProperty.call(message, "updateInfo"))
                             $root.google.container.v1.NodePool.UpdateInfo.encode(message.updateInfo, writer.uint32(/* id 109, wireType 2 =*/874).fork()).ldelim();
+                        if (message.etag != null && Object.hasOwnProperty.call(message, "etag"))
+                            writer.uint32(/* id 110, wireType 2 =*/882).string(message.etag);
                         return writer;
                     };
     
@@ -26059,6 +26139,10 @@
                                     message.updateInfo = $root.google.container.v1.NodePool.UpdateInfo.decode(reader, reader.uint32());
                                     break;
                                 }
+                            case 110: {
+                                    message.etag = reader.string();
+                                    break;
+                                }
                             default:
                                 reader.skipType(tag & 7);
                                 break;
@@ -26188,6 +26272,9 @@
                             if (error)
                                 return "updateInfo." + error;
                         }
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            if (!$util.isString(message.etag))
+                                return "etag: string expected";
                         return null;
                     };
     
@@ -26315,6 +26402,8 @@
                                 throw TypeError(".google.container.v1.NodePool.updateInfo: object expected");
                             message.updateInfo = $root.google.container.v1.NodePool.UpdateInfo.fromObject(object.updateInfo);
                         }
+                        if (object.etag != null)
+                            message.etag = String(object.etag);
                         return message;
                     };
     
@@ -26352,6 +26441,7 @@
                             object.upgradeSettings = null;
                             object.placementPolicy = null;
                             object.updateInfo = null;
+                            object.etag = "";
                         }
                         if (message.name != null && message.hasOwnProperty("name"))
                             object.name = message.name;
@@ -26398,6 +26488,8 @@
                             object.placementPolicy = $root.google.container.v1.NodePool.PlacementPolicy.toObject(message.placementPolicy, options);
                         if (message.updateInfo != null && message.hasOwnProperty("updateInfo"))
                             object.updateInfo = $root.google.container.v1.NodePool.UpdateInfo.toObject(message.updateInfo, options);
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            object.etag = message.etag;
                         return object;
                     };
     
@@ -61348,6 +61440,7 @@
                      * @property {google.container.v1beta1.IMonitoringConfig|null} [monitoringConfig] Cluster monitoringConfig
                      * @property {google.container.v1beta1.INodePoolAutoConfig|null} [nodePoolAutoConfig] Cluster nodePoolAutoConfig
                      * @property {google.container.v1beta1.IProtectConfig|null} [protectConfig] Cluster protectConfig
+                     * @property {string|null} [etag] Cluster etag
                      */
     
                     /**
@@ -61938,6 +62031,14 @@
                      */
                     Cluster.prototype.protectConfig = null;
     
+                    /**
+                     * Cluster etag.
+                     * @member {string} etag
+                     * @memberof google.container.v1beta1.Cluster
+                     * @instance
+                     */
+                    Cluster.prototype.etag = "";
+    
                     // OneOf field names bound to virtual getters and setters
                     var $oneOfFields;
     
@@ -62134,6 +62235,8 @@
                             $root.google.container.v1beta1.NodePoolAutoConfig.encode(message.nodePoolAutoConfig, writer.uint32(/* id 136, wireType 2 =*/1090).fork()).ldelim();
                         if (message.protectConfig != null && Object.hasOwnProperty.call(message, "protectConfig"))
                             $root.google.container.v1beta1.ProtectConfig.encode(message.protectConfig, writer.uint32(/* id 137, wireType 2 =*/1098).fork()).ldelim();
+                        if (message.etag != null && Object.hasOwnProperty.call(message, "etag"))
+                            writer.uint32(/* id 139, wireType 2 =*/1114).string(message.etag);
                         return writer;
                     };
     
@@ -62479,6 +62582,10 @@
                                     message.protectConfig = $root.google.container.v1beta1.ProtectConfig.decode(reader, reader.uint32());
                                     break;
                                 }
+                            case 139: {
+                                    message.etag = reader.string();
+                                    break;
+                                }
                             default:
                                 reader.skipType(tag & 7);
                                 break;
@@ -62843,6 +62950,9 @@
                                     return "protectConfig." + error;
                             }
                         }
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            if (!$util.isString(message.etag))
+                                return "etag: string expected";
                         return null;
                     };
     
@@ -63176,6 +63286,8 @@
                                 throw TypeError(".google.container.v1beta1.Cluster.protectConfig: object expected");
                             message.protectConfig = $root.google.container.v1beta1.ProtectConfig.fromObject(object.protectConfig);
                         }
+                        if (object.etag != null)
+                            message.etag = String(object.etag);
                         return message;
                     };
     
@@ -63265,6 +63377,7 @@
                             object.loggingConfig = null;
                             object.monitoringConfig = null;
                             object.nodePoolAutoConfig = null;
+                            object.etag = "";
                         }
                         if (message.name != null && message.hasOwnProperty("name"))
                             object.name = message.name;
@@ -63430,6 +63543,8 @@
                             if (options.oneofs)
                                 object._protectConfig = "protectConfig";
                         }
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            object.etag = message.etag;
                         return object;
                     };
     
@@ -64769,6 +64884,7 @@
                      * @property {google.container.v1beta1.INetworkTags|null} [desiredNodePoolAutoConfigNetworkTags] ClusterUpdate desiredNodePoolAutoConfigNetworkTags
                      * @property {google.container.v1beta1.IProtectConfig|null} [desiredProtectConfig] ClusterUpdate desiredProtectConfig
                      * @property {google.container.v1beta1.IGatewayAPIConfig|null} [desiredGatewayApiConfig] ClusterUpdate desiredGatewayApiConfig
+                     * @property {string|null} [etag] ClusterUpdate etag
                      * @property {google.container.v1beta1.INodePoolLoggingConfig|null} [desiredNodePoolLoggingConfig] ClusterUpdate desiredNodePoolLoggingConfig
                      * @property {google.container.v1beta1.StackType|null} [desiredStackType] ClusterUpdate desiredStackType
                      */
@@ -65141,6 +65257,14 @@
                      */
                     ClusterUpdate.prototype.desiredGatewayApiConfig = null;
     
+                    /**
+                     * ClusterUpdate etag.
+                     * @member {string} etag
+                     * @memberof google.container.v1beta1.ClusterUpdate
+                     * @instance
+                     */
+                    ClusterUpdate.prototype.etag = "";
+    
                     /**
                      * ClusterUpdate desiredNodePoolLoggingConfig.
                      * @member {google.container.v1beta1.INodePoolLoggingConfig|null|undefined} desiredNodePoolLoggingConfig
@@ -65295,6 +65419,8 @@
                             $root.google.container.v1beta1.ProtectConfig.encode(message.desiredProtectConfig, writer.uint32(/* id 112, wireType 2 =*/898).fork()).ldelim();
                         if (message.desiredGatewayApiConfig != null && Object.hasOwnProperty.call(message, "desiredGatewayApiConfig"))
                             $root.google.container.v1beta1.GatewayAPIConfig.encode(message.desiredGatewayApiConfig, writer.uint32(/* id 114, wireType 2 =*/914).fork()).ldelim();
+                        if (message.etag != null && Object.hasOwnProperty.call(message, "etag"))
+                            writer.uint32(/* id 115, wireType 2 =*/922).string(message.etag);
                         if (message.desiredNodePoolLoggingConfig != null && Object.hasOwnProperty.call(message, "desiredNodePoolLoggingConfig"))
                             $root.google.container.v1beta1.NodePoolLoggingConfig.encode(message.desiredNodePoolLoggingConfig, writer.uint32(/* id 116, wireType 2 =*/930).fork()).ldelim();
                         if (message.desiredStackType != null && Object.hasOwnProperty.call(message, "desiredStackType"))
@@ -65511,6 +65637,10 @@
                                     message.desiredGatewayApiConfig = $root.google.container.v1beta1.GatewayAPIConfig.decode(reader, reader.uint32());
                                     break;
                                 }
+                            case 115: {
+                                    message.etag = reader.string();
+                                    break;
+                                }
                             case 116: {
                                     message.desiredNodePoolLoggingConfig = $root.google.container.v1beta1.NodePoolLoggingConfig.decode(reader, reader.uint32());
                                     break;
@@ -65777,6 +65907,9 @@
                             if (error)
                                 return "desiredGatewayApiConfig." + error;
                         }
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            if (!$util.isString(message.etag))
+                                return "etag: string expected";
                         if (message.desiredNodePoolLoggingConfig != null && message.hasOwnProperty("desiredNodePoolLoggingConfig")) {
                             var error = $root.google.container.v1beta1.NodePoolLoggingConfig.verify(message.desiredNodePoolLoggingConfig);
                             if (error)
@@ -66041,6 +66174,8 @@
                                 throw TypeError(".google.container.v1beta1.ClusterUpdate.desiredGatewayApiConfig: object expected");
                             message.desiredGatewayApiConfig = $root.google.container.v1beta1.GatewayAPIConfig.fromObject(object.desiredGatewayApiConfig);
                         }
+                        if (object.etag != null)
+                            message.etag = String(object.etag);
                         if (object.desiredNodePoolLoggingConfig != null) {
                             if (typeof object.desiredNodePoolLoggingConfig !== "object")
                                 throw TypeError(".google.container.v1beta1.ClusterUpdate.desiredNodePoolLoggingConfig: object expected");
@@ -66126,6 +66261,7 @@
                             object.desiredGcfsConfig = null;
                             object.desiredNodePoolAutoConfigNetworkTags = null;
                             object.desiredGatewayApiConfig = null;
+                            object.etag = "";
                             object.desiredNodePoolLoggingConfig = null;
                             object.desiredStackType = options.enums === String ? "STACK_TYPE_UNSPECIFIED" : 0;
                         }
@@ -66226,6 +66362,8 @@
                         }
                         if (message.desiredGatewayApiConfig != null && message.hasOwnProperty("desiredGatewayApiConfig"))
                             object.desiredGatewayApiConfig = $root.google.container.v1beta1.GatewayAPIConfig.toObject(message.desiredGatewayApiConfig, options);
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            object.etag = message.etag;
                         if (message.desiredNodePoolLoggingConfig != null && message.hasOwnProperty("desiredNodePoolLoggingConfig"))
                             object.desiredNodePoolLoggingConfig = $root.google.container.v1beta1.NodePoolLoggingConfig.toObject(message.desiredNodePoolLoggingConfig, options);
                         if (message.desiredStackType != null && message.hasOwnProperty("desiredStackType"))
@@ -68575,6 +68713,7 @@
                      * @property {google.container.v1beta1.IGcfsConfig|null} [gcfsConfig] UpdateNodePoolRequest gcfsConfig
                      * @property {google.container.v1beta1.IConfidentialNodes|null} [confidentialNodes] UpdateNodePoolRequest confidentialNodes
                      * @property {google.container.v1beta1.IVirtualNIC|null} [gvnic] UpdateNodePoolRequest gvnic
+                     * @property {string|null} [etag] UpdateNodePoolRequest etag
                      * @property {google.container.v1beta1.IFastSocket|null} [fastSocket] UpdateNodePoolRequest fastSocket
                      * @property {google.container.v1beta1.INodePoolLoggingConfig|null} [loggingConfig] UpdateNodePoolRequest loggingConfig
                      * @property {google.container.v1beta1.IResourceLabels|null} [resourceLabels] UpdateNodePoolRequest resourceLabels
@@ -68749,6 +68888,14 @@
                      */
                     UpdateNodePoolRequest.prototype.gvnic = null;
     
+                    /**
+                     * UpdateNodePoolRequest etag.
+                     * @member {string} etag
+                     * @memberof google.container.v1beta1.UpdateNodePoolRequest
+                     * @instance
+                     */
+                    UpdateNodePoolRequest.prototype.etag = "";
+    
                     /**
                      * UpdateNodePoolRequest fastSocket.
                      * @member {google.container.v1beta1.IFastSocket|null|undefined} fastSocket
@@ -68844,6 +68991,8 @@
                             $root.google.container.v1beta1.ConfidentialNodes.encode(message.confidentialNodes, writer.uint32(/* id 23, wireType 2 =*/186).fork()).ldelim();
                         if (message.gvnic != null && Object.hasOwnProperty.call(message, "gvnic"))
                             $root.google.container.v1beta1.VirtualNIC.encode(message.gvnic, writer.uint32(/* id 29, wireType 2 =*/234).fork()).ldelim();
+                        if (message.etag != null && Object.hasOwnProperty.call(message, "etag"))
+                            writer.uint32(/* id 30, wireType 2 =*/242).string(message.etag);
                         if (message.fastSocket != null && Object.hasOwnProperty.call(message, "fastSocket"))
                             $root.google.container.v1beta1.FastSocket.encode(message.fastSocket, writer.uint32(/* id 31, wireType 2 =*/250).fork()).ldelim();
                         if (message.loggingConfig != null && Object.hasOwnProperty.call(message, "loggingConfig"))
@@ -68964,6 +69113,10 @@
                                     message.gvnic = $root.google.container.v1beta1.VirtualNIC.decode(reader, reader.uint32());
                                     break;
                                 }
+                            case 30: {
+                                    message.etag = reader.string();
+                                    break;
+                                }
                             case 31: {
                                     message.fastSocket = $root.google.container.v1beta1.FastSocket.decode(reader, reader.uint32());
                                     break;
@@ -69098,6 +69251,9 @@
                             if (error)
                                 return "gvnic." + error;
                         }
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            if (!$util.isString(message.etag))
+                                return "etag: string expected";
                         if (message.fastSocket != null && message.hasOwnProperty("fastSocket")) {
                             var error = $root.google.container.v1beta1.FastSocket.verify(message.fastSocket);
                             if (error)
@@ -69209,6 +69365,8 @@
                                 throw TypeError(".google.container.v1beta1.UpdateNodePoolRequest.gvnic: object expected");
                             message.gvnic = $root.google.container.v1beta1.VirtualNIC.fromObject(object.gvnic);
                         }
+                        if (object.etag != null)
+                            message.etag = String(object.etag);
                         if (object.fastSocket != null) {
                             if (typeof object.fastSocket !== "object")
                                 throw TypeError(".google.container.v1beta1.UpdateNodePoolRequest.fastSocket: object expected");
@@ -69266,6 +69424,7 @@
                             object.gcfsConfig = null;
                             object.confidentialNodes = null;
                             object.gvnic = null;
+                            object.etag = "";
                             object.fastSocket = null;
                             object.loggingConfig = null;
                             object.resourceLabels = null;
@@ -69312,6 +69471,8 @@
                             object.confidentialNodes = $root.google.container.v1beta1.ConfidentialNodes.toObject(message.confidentialNodes, options);
                         if (message.gvnic != null && message.hasOwnProperty("gvnic"))
                             object.gvnic = $root.google.container.v1beta1.VirtualNIC.toObject(message.gvnic, options);
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            object.etag = message.etag;
                         if (message.fastSocket != null && message.hasOwnProperty("fastSocket"))
                             object.fastSocket = $root.google.container.v1beta1.FastSocket.toObject(message.fastSocket, options);
                         if (message.loggingConfig != null && message.hasOwnProperty("loggingConfig"))
@@ -76904,6 +77065,7 @@
                      * @property {google.container.v1beta1.NodePool.IUpgradeSettings|null} [upgradeSettings] NodePool upgradeSettings
                      * @property {google.container.v1beta1.NodePool.IPlacementPolicy|null} [placementPolicy] NodePool placementPolicy
                      * @property {google.container.v1beta1.NodePool.IUpdateInfo|null} [updateInfo] NodePool updateInfo
+                     * @property {string|null} [etag] NodePool etag
                      */
     
                     /**
@@ -77068,6 +77230,14 @@
                      */
                     NodePool.prototype.updateInfo = null;
     
+                    /**
+                     * NodePool etag.
+                     * @member {string} etag
+                     * @memberof google.container.v1beta1.NodePool
+                     * @instance
+                     */
+                    NodePool.prototype.etag = "";
+    
                     /**
                      * Creates a new NodePool instance using the specified properties.
                      * @function create
@@ -77131,6 +77301,8 @@
                             $root.google.container.v1beta1.NodePool.PlacementPolicy.encode(message.placementPolicy, writer.uint32(/* id 108, wireType 2 =*/866).fork()).ldelim();
                         if (message.updateInfo != null && Object.hasOwnProperty.call(message, "updateInfo"))
                             $root.google.container.v1beta1.NodePool.UpdateInfo.encode(message.updateInfo, writer.uint32(/* id 109, wireType 2 =*/874).fork()).ldelim();
+                        if (message.etag != null && Object.hasOwnProperty.call(message, "etag"))
+                            writer.uint32(/* id 110, wireType 2 =*/882).string(message.etag);
                         return writer;
                     };
     
@@ -77243,6 +77415,10 @@
                                     message.updateInfo = $root.google.container.v1beta1.NodePool.UpdateInfo.decode(reader, reader.uint32());
                                     break;
                                 }
+                            case 110: {
+                                    message.etag = reader.string();
+                                    break;
+                                }
                             default:
                                 reader.skipType(tag & 7);
                                 break;
@@ -77372,6 +77548,9 @@
                             if (error)
                                 return "updateInfo." + error;
                         }
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            if (!$util.isString(message.etag))
+                                return "etag: string expected";
                         return null;
                     };
     
@@ -77499,6 +77678,8 @@
                                 throw TypeError(".google.container.v1beta1.NodePool.updateInfo: object expected");
                             message.updateInfo = $root.google.container.v1beta1.NodePool.UpdateInfo.fromObject(object.updateInfo);
                         }
+                        if (object.etag != null)
+                            message.etag = String(object.etag);
                         return message;
                     };
     
@@ -77536,6 +77717,7 @@
                             object.upgradeSettings = null;
                             object.placementPolicy = null;
                             object.updateInfo = null;
+                            object.etag = "";
                         }
                         if (message.name != null && message.hasOwnProperty("name"))
                             object.name = message.name;
@@ -77582,6 +77764,8 @@
                             object.placementPolicy = $root.google.container.v1beta1.NodePool.PlacementPolicy.toObject(message.placementPolicy, options);
                         if (message.updateInfo != null && message.hasOwnProperty("updateInfo"))
                             object.updateInfo = $root.google.container.v1beta1.NodePool.UpdateInfo.toObject(message.updateInfo, options);
+                        if (message.etag != null && message.hasOwnProperty("etag"))
+                            object.etag = message.etag;
                         return object;
                     };
     
diff --git a/packages/google-container/protos/protos.json b/packages/google-container/protos/protos.json
index 37d9aa9790c..515676265ab 100644
--- a/packages/google-container/protos/protos.json
+++ b/packages/google-container/protos/protos.json
@@ -1982,6 +1982,10 @@
                     "nodePoolAutoConfig": {
                       "type": "NodePoolAutoConfig",
                       "id": 136
+                    },
+                    "etag": {
+                      "type": "string",
+                      "id": 139
                     }
                   },
                   "nested": {
@@ -2187,6 +2191,10 @@
                       "type": "GatewayAPIConfig",
                       "id": 114
                     },
+                    "etag": {
+                      "type": "string",
+                      "id": 115
+                    },
                     "desiredNodePoolLoggingConfig": {
                       "type": "NodePoolLoggingConfig",
                       "id": 116
@@ -2558,6 +2566,10 @@
                       "type": "VirtualNIC",
                       "id": 29
                     },
+                    "etag": {
+                      "type": "string",
+                      "id": 30
+                    },
                     "fastSocket": {
                       "type": "FastSocket",
                       "id": 31
@@ -3365,6 +3377,10 @@
                       "options": {
                         "(google.api.field_behavior)": "OUTPUT_ONLY"
                       }
+                    },
+                    "etag": {
+                      "type": "string",
+                      "id": 110
                     }
                   },
                   "nested": {
@@ -7137,6 +7153,10 @@
                       "options": {
                         "proto3_optional": true
                       }
+                    },
+                    "etag": {
+                      "type": "string",
+                      "id": 139
                     }
                   },
                   "nested": {
@@ -7454,6 +7474,10 @@
                       "type": "GatewayAPIConfig",
                       "id": 114
                     },
+                    "etag": {
+                      "type": "string",
+                      "id": 115
+                    },
                     "desiredNodePoolLoggingConfig": {
                       "type": "NodePoolLoggingConfig",
                       "id": 116
@@ -7837,6 +7861,10 @@
                       "type": "VirtualNIC",
                       "id": 29
                     },
+                    "etag": {
+                      "type": "string",
+                      "id": 30
+                    },
                     "fastSocket": {
                       "type": "FastSocket",
                       "id": 31
@@ -8752,6 +8780,10 @@
                       "options": {
                         "(google.api.field_behavior)": "OUTPUT_ONLY"
                       }
+                    },
+                    "etag": {
+                      "type": "string",
+                      "id": 110
                     }
                   },
                   "nested": {
diff --git a/packages/google-container/samples/generated/v1/cluster_manager.update_node_pool.js b/packages/google-container/samples/generated/v1/cluster_manager.update_node_pool.js
index 50ad370e794..63f0e6b326f 100644
--- a/packages/google-container/samples/generated/v1/cluster_manager.update_node_pool.js
+++ b/packages/google-container/samples/generated/v1/cluster_manager.update_node_pool.js
@@ -109,6 +109,12 @@ function main(nodeVersion, imageType) {
    *  Enable or disable gvnic on the node pool.
    */
   // const gvnic = {}
+  /**
+   *  The current etag of the node pool.
+   *  If an etag is provided and does not match the current etag of the node
+   *  pool, update will be blocked and an ABORTED error will be returned.
+   */
+  // const etag = 'abc123'
   /**
    *  Enable or disable NCCL fast socket for the node pool.
    */
diff --git a/packages/google-container/samples/generated/v1/snippet_metadata.google.container.v1.json b/packages/google-container/samples/generated/v1/snippet_metadata.google.container.v1.json
index 5800d2f229c..2ad2287804d 100644
--- a/packages/google-container/samples/generated/v1/snippet_metadata.google.container.v1.json
+++ b/packages/google-container/samples/generated/v1/snippet_metadata.google.container.v1.json
@@ -230,7 +230,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 148,
+                    "end": 154,
                     "type": "FULL"
                 }
             ],
@@ -315,6 +315,10 @@
                         "name": "gvnic",
                         "type": ".google.container.v1.VirtualNIC"
                     },
+                    {
+                        "name": "etag",
+                        "type": "TYPE_STRING"
+                    },
                     {
                         "name": "fast_socket",
                         "type": ".google.container.v1.FastSocket"
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.cancel_operation.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.cancel_operation.js
index 471df34c2a7..939c8c4aaca 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.cancel_operation.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.cancel_operation.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.complete_i_p_rotation.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.complete_i_p_rotation.js
index 31d6b4c7eaa..57cb300a08f 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.complete_i_p_rotation.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.complete_i_p_rotation.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.complete_node_pool_upgrade.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.complete_node_pool_upgrade.js
index cd725daf445..152c6971b1b 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.complete_node_pool_upgrade.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.complete_node_pool_upgrade.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.create_cluster.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.create_cluster.js
index a4afd046560..4414e1ca9d3 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.create_cluster.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.create_cluster.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.create_node_pool.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.create_node_pool.js
index 8e15c03c402..9d53c6be79e 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.create_node_pool.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.create_node_pool.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.delete_cluster.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.delete_cluster.js
index f6a8e762337..d387c456166 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.delete_cluster.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.delete_cluster.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.delete_node_pool.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.delete_node_pool.js
index 70e9fde5f41..d406bb8686c 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.delete_node_pool.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.delete_node_pool.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.get_cluster.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.get_cluster.js
index cd640bfaac3..0e388e69226 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.get_cluster.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.get_cluster.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.get_j_s_o_n_web_keys.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.get_j_s_o_n_web_keys.js
index 7fd35bfc50f..f48cfa5316d 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.get_j_s_o_n_web_keys.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.get_j_s_o_n_web_keys.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.get_node_pool.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.get_node_pool.js
index f7b2a5c6b1c..21f384189f6 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.get_node_pool.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.get_node_pool.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.get_operation.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.get_operation.js
index 135622a1a0d..f693d6982e6 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.get_operation.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.get_operation.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.get_server_config.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.get_server_config.js
index 257aea3674c..147c03feb39 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.get_server_config.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.get_server_config.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.list_clusters.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.list_clusters.js
index 0bfafb06810..3a468a6e586 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.list_clusters.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.list_clusters.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.list_locations.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.list_locations.js
index 331f153b00c..62e86afb204 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.list_locations.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.list_locations.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.list_node_pools.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.list_node_pools.js
index fead114758f..6c5aaa855e4 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.list_node_pools.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.list_node_pools.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.list_operations.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.list_operations.js
index 19ed1a9a89b..adaf08f3129 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.list_operations.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.list_operations.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.list_usable_subnetworks.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.list_usable_subnetworks.js
index ce8de43edc3..400d21f447c 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.list_usable_subnetworks.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.list_usable_subnetworks.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.rollback_node_pool_upgrade.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.rollback_node_pool_upgrade.js
index 8972727ab17..fd127925ad0 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.rollback_node_pool_upgrade.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.rollback_node_pool_upgrade.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_addons_config.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_addons_config.js
index 52c9bf19864..1a0bcaa7948 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_addons_config.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_addons_config.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_labels.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_labels.js
index b7c931aaa1e..9690ae6d011 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_labels.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_labels.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_legacy_abac.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_legacy_abac.js
index 42953c0f2da..c59d4c74879 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_legacy_abac.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_legacy_abac.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_locations.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_locations.js
index f0e76b69780..7a830f08e75 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_locations.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_locations.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_logging_service.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_logging_service.js
index 9b10e0c5f03..e6cd4a0d7f1 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_logging_service.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_logging_service.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_maintenance_policy.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_maintenance_policy.js
index 7757a7d4d89..fa688eb7520 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_maintenance_policy.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_maintenance_policy.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_master_auth.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_master_auth.js
index e5c55004399..f39467e7cab 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_master_auth.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_master_auth.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_monitoring_service.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_monitoring_service.js
index f7470b273e5..a7fe3208d49 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_monitoring_service.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_monitoring_service.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_network_policy.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_network_policy.js
index efc2193bcb0..08f2bd01e43 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_network_policy.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_network_policy.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_node_pool_autoscaling.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_node_pool_autoscaling.js
index e9e7021228f..48045be1f16 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_node_pool_autoscaling.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_node_pool_autoscaling.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_node_pool_management.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_node_pool_management.js
index cd629b6f9dc..904e07be6c2 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_node_pool_management.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_node_pool_management.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_node_pool_size.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_node_pool_size.js
index a2e226e2251..3903f3ff656 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.set_node_pool_size.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.set_node_pool_size.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.start_i_p_rotation.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.start_i_p_rotation.js
index 58425e8b3c9..181752cb53f 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.start_i_p_rotation.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.start_i_p_rotation.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.update_cluster.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.update_cluster.js
index dc627e86cb8..23c5ff8b0c8 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.update_cluster.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.update_cluster.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.update_master.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.update_master.js
index 11826d969f4..d76efa7a362 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.update_master.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.update_master.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/samples/generated/v1beta1/cluster_manager.update_node_pool.js b/packages/google-container/samples/generated/v1beta1/cluster_manager.update_node_pool.js
index 628502f099e..fc69333ccee 100644
--- a/packages/google-container/samples/generated/v1beta1/cluster_manager.update_node_pool.js
+++ b/packages/google-container/samples/generated/v1beta1/cluster_manager.update_node_pool.js
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -109,6 +109,12 @@ function main(projectId, zone, clusterId, nodePoolId, nodeVersion, imageType) {
    *  Enable or disable gvnic on the node pool.
    */
   // const gvnic = {}
+  /**
+   *  The current etag of the node pool.
+   *  If an etag is provided and does not match the current etag of the node
+   *  pool, update will be blocked and an ABORTED error will be returned.
+   */
+  // const etag = 'abc123'
   /**
    *  Enable or disable NCCL fast socket for the node pool.
    */
diff --git a/packages/google-container/samples/generated/v1beta1/snippet_metadata.google.container.v1beta1.json b/packages/google-container/samples/generated/v1beta1/snippet_metadata.google.container.v1beta1.json
index f7d64987c84..d28a215f816 100644
--- a/packages/google-container/samples/generated/v1beta1/snippet_metadata.google.container.v1beta1.json
+++ b/packages/google-container/samples/generated/v1beta1/snippet_metadata.google.container.v1beta1.json
@@ -230,7 +230,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 152,
+                    "end": 158,
                     "type": "FULL"
                 }
             ],
@@ -315,6 +315,10 @@
                         "name": "gvnic",
                         "type": ".google.container.v1beta1.VirtualNIC"
                     },
+                    {
+                        "name": "etag",
+                        "type": "TYPE_STRING"
+                    },
                     {
                         "name": "fast_socket",
                         "type": ".google.container.v1beta1.FastSocket"
diff --git a/packages/google-container/src/index.ts b/packages/google-container/src/index.ts
index 78006a94a5a..305acb4346f 100644
--- a/packages/google-container/src/index.ts
+++ b/packages/google-container/src/index.ts
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/src/v1/cluster_manager_client.ts b/packages/google-container/src/v1/cluster_manager_client.ts
index 42e9ca664d7..3806c6771a7 100644
--- a/packages/google-container/src/v1/cluster_manager_client.ts
+++ b/packages/google-container/src/v1/cluster_manager_client.ts
@@ -831,6 +831,10 @@ export class ClusterManagerClient {
    *   All the nodes in the node pool will be Confidential VM once enabled.
    * @param {google.container.v1.VirtualNIC} request.gvnic
    *   Enable or disable gvnic on the node pool.
+   * @param {string} request.etag
+   *   The current etag of the node pool.
+   *   If an etag is provided and does not match the current etag of the node
+   *   pool, update will be blocked and an ABORTED error will be returned.
    * @param {google.container.v1.FastSocket} request.fastSocket
    *   Enable or disable NCCL fast socket for the node pool.
    * @param {google.container.v1.NodePoolLoggingConfig} request.loggingConfig
diff --git a/packages/google-container/src/v1beta1/cluster_manager_client.ts b/packages/google-container/src/v1beta1/cluster_manager_client.ts
index d467abc58d9..5463128367b 100644
--- a/packages/google-container/src/v1beta1/cluster_manager_client.ts
+++ b/packages/google-container/src/v1beta1/cluster_manager_client.ts
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -838,6 +838,10 @@ export class ClusterManagerClient {
    *   All the nodes in the node pool will be Confidential VM once enabled.
    * @param {google.container.v1beta1.VirtualNIC} request.gvnic
    *   Enable or disable gvnic on the node pool.
+   * @param {string} request.etag
+   *   The current etag of the node pool.
+   *   If an etag is provided and does not match the current etag of the node
+   *   pool, update will be blocked and an ABORTED error will be returned.
    * @param {google.container.v1beta1.FastSocket} request.fastSocket
    *   Enable or disable NCCL fast socket for the node pool.
    * @param {google.container.v1beta1.NodePoolLoggingConfig} request.loggingConfig
diff --git a/packages/google-container/src/v1beta1/index.ts b/packages/google-container/src/v1beta1/index.ts
index 7952088fe56..b1b39233034 100644
--- a/packages/google-container/src/v1beta1/index.ts
+++ b/packages/google-container/src/v1beta1/index.ts
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/packages/google-container/test/gapic_cluster_manager_v1beta1.ts b/packages/google-container/test/gapic_cluster_manager_v1beta1.ts
index 82c1ce58dfe..a4e009d8b21 100644
--- a/packages/google-container/test/gapic_cluster_manager_v1beta1.ts
+++ b/packages/google-container/test/gapic_cluster_manager_v1beta1.ts
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2023 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.