diff --git a/clients/client-m2/src/commands/CreateEnvironmentCommand.ts b/clients/client-m2/src/commands/CreateEnvironmentCommand.ts
index 9874470d9a8b..34da043bbde1 100644
--- a/clients/client-m2/src/commands/CreateEnvironmentCommand.ts
+++ b/clients/client-m2/src/commands/CreateEnvironmentCommand.ts
@@ -67,6 +67,7 @@ export interface CreateEnvironmentCommandOutput extends CreateEnvironmentRespons
  *     "<keys>": "STRING_VALUE",
  *   },
  *   preferredMaintenanceWindow: "STRING_VALUE",
+ *   networkType: "STRING_VALUE",
  *   clientToken: "STRING_VALUE",
  *   kmsKeyId: "STRING_VALUE",
  * };
diff --git a/clients/client-m2/src/commands/GetEnvironmentCommand.ts b/clients/client-m2/src/commands/GetEnvironmentCommand.ts
index 85d0081ac865..1188833eef70 100644
--- a/clients/client-m2/src/commands/GetEnvironmentCommand.ts
+++ b/clients/client-m2/src/commands/GetEnvironmentCommand.ts
@@ -88,6 +88,7 @@ export interface GetEnvironmentCommandOutput extends GetEnvironmentResponse, __M
  * //     engineVersion: "STRING_VALUE",
  * //   },
  * //   kmsKeyId: "STRING_VALUE",
+ * //   networkType: "STRING_VALUE",
  * // };
  *
  * ```
diff --git a/clients/client-m2/src/commands/ListEnvironmentsCommand.ts b/clients/client-m2/src/commands/ListEnvironmentsCommand.ts
index e3dad69fe70a..d8eb2fe6b99c 100644
--- a/clients/client-m2/src/commands/ListEnvironmentsCommand.ts
+++ b/clients/client-m2/src/commands/ListEnvironmentsCommand.ts
@@ -56,6 +56,7 @@ export interface ListEnvironmentsCommandOutput extends ListEnvironmentsResponse,
  * //       engineType: "STRING_VALUE", // required
  * //       engineVersion: "STRING_VALUE", // required
  * //       creationTime: new Date("TIMESTAMP"), // required
+ * //       networkType: "STRING_VALUE",
  * //     },
  * //   ],
  * //   nextToken: "STRING_VALUE",
diff --git a/clients/client-m2/src/models/models_0.ts b/clients/client-m2/src/models/models_0.ts
index 0521d9422697..61276dac67e1 100644
--- a/clients/client-m2/src/models/models_0.ts
+++ b/clients/client-m2/src/models/models_0.ts
@@ -3148,6 +3148,20 @@ export interface HighAvailabilityConfig {
   desiredCapacity: number | undefined;
 }
 
+/**
+ * @public
+ * @enum
+ */
+export const NetworkType = {
+  DUAL: "dual",
+  IPV4: "ipv4",
+} as const;
+
+/**
+ * @public
+ */
+export type NetworkType = (typeof NetworkType)[keyof typeof NetworkType];
+
 /**
  * <p>Defines the storage configuration for an Amazon EFS file system.</p>
  * @public
@@ -3316,6 +3330,12 @@ export interface CreateEnvironmentRequest {
    */
   preferredMaintenanceWindow?: string | undefined;
 
+  /**
+   * <p>The network type required for the runtime environment.</p>
+   * @public
+   */
+  networkType?: NetworkType | undefined;
+
   /**
    * <p>Unique, case-sensitive identifier you provide to ensure the idempotency of the request
    *          to create an environment. The service generates the clientToken when the API call is
@@ -3568,6 +3588,12 @@ export interface GetEnvironmentResponse {
    * @public
    */
   kmsKeyId?: string | undefined;
+
+  /**
+   * <p>The network type supported by the runtime environment.</p>
+   * @public
+   */
+  networkType?: NetworkType | undefined;
 }
 
 /**
@@ -3653,6 +3679,12 @@ export interface EnvironmentSummary {
    * @public
    */
   creationTime: Date | undefined;
+
+  /**
+   * <p>The network type supported by the runtime environment.</p>
+   * @public
+   */
+  networkType?: NetworkType | undefined;
 }
 
 /**
diff --git a/clients/client-m2/src/protocols/Aws_restJson1.ts b/clients/client-m2/src/protocols/Aws_restJson1.ts
index 5f03f5564668..816c37dccfed 100644
--- a/clients/client-m2/src/protocols/Aws_restJson1.ts
+++ b/clients/client-m2/src/protocols/Aws_restJson1.ts
@@ -277,6 +277,7 @@ export const se_CreateEnvironmentCommand = async (
       instanceType: [],
       kmsKeyId: [],
       name: [],
+      networkType: [],
       preferredMaintenanceWindow: [],
       publiclyAccessible: [],
       securityGroupIds: (_) => _json(_),
@@ -1215,6 +1216,7 @@ export const de_GetEnvironmentCommand = async (
     kmsKeyId: __expectString,
     loadBalancerArn: __expectString,
     name: __expectString,
+    networkType: __expectString,
     pendingMaintenance: (_) => de_PendingMaintenance(_, context),
     preferredMaintenanceWindow: __expectString,
     publiclyAccessible: __expectBoolean,
@@ -2143,6 +2145,7 @@ const de_EnvironmentSummary = (output: any, context: __SerdeContext): Environmen
     environmentId: __expectString,
     instanceType: __expectString,
     name: __expectString,
+    networkType: __expectString,
     status: __expectString,
   }) as any;
 };
diff --git a/codegen/sdk-codegen/aws-models/m2.json b/codegen/sdk-codegen/aws-models/m2.json
index 3858ba4ca141..56924dafbff0 100644
--- a/codegen/sdk-codegen/aws-models/m2.json
+++ b/codegen/sdk-codegen/aws-models/m2.json
@@ -1960,6 +1960,12 @@
             "smithy.api#documentation": "<p>Configures the maintenance window that you want for the runtime environment. The maintenance window must have the format <code>ddd:hh24:mi-ddd:hh24:mi</code> and must be less than 24 hours. The following two examples are valid maintenance windows: <code>sun:23:45-mon:00:15</code> or <code>sat:01:00-sat:03:00</code>. </p>\n         <p>If you do not provide a value, a random system-generated value will be assigned.</p>"
           }
         },
+        "networkType": {
+          "target": "com.amazonaws.m2#NetworkType",
+          "traits": {
+            "smithy.api#documentation": "<p>The network type required for the runtime environment.</p>"
+          }
+        },
         "clientToken": {
           "target": "com.amazonaws.m2#ClientToken",
           "traits": {
@@ -2832,6 +2838,12 @@
             "smithy.api#documentation": "<p>The timestamp when the runtime environment was created.</p>",
             "smithy.api#required": {}
           }
+        },
+        "networkType": {
+          "target": "com.amazonaws.m2#NetworkType",
+          "traits": {
+            "smithy.api#documentation": "<p>The network type supported by the runtime environment.</p>"
+          }
         }
       },
       "traits": {
@@ -3939,6 +3951,12 @@
           "traits": {
             "smithy.api#documentation": "<p>The identifier of a customer managed key.</p>"
           }
+        },
+        "networkType": {
+          "target": "com.amazonaws.m2#NetworkType",
+          "traits": {
+            "smithy.api#documentation": "<p>The network type supported by the runtime environment.</p>"
+          }
         }
       }
     },
@@ -5268,6 +5286,21 @@
         }
       }
     },
+    "com.amazonaws.m2#NetworkType": {
+      "type": "string",
+      "traits": {
+        "smithy.api#enum": [
+          {
+            "value": "ipv4",
+            "name": "IPV4"
+          },
+          {
+            "value": "dual",
+            "name": "DUAL"
+          }
+        ]
+      }
+    },
     "com.amazonaws.m2#NextToken": {
       "type": "string",
       "traits": {