diff --git a/clients/client-apprunner/src/commands/CreateServiceCommand.ts b/clients/client-apprunner/src/commands/CreateServiceCommand.ts
index e3334c937b06..46f006b06f00 100644
--- a/clients/client-apprunner/src/commands/CreateServiceCommand.ts
+++ b/clients/client-apprunner/src/commands/CreateServiceCommand.ts
@@ -53,7 +53,7 @@ export interface CreateServiceCommandOutput extends CreateServiceResponse, __Met
  *       CodeConfiguration: { // CodeConfiguration
  *         ConfigurationSource: "REPOSITORY" || "API", // required
  *         CodeConfigurationValues: { // CodeConfigurationValues
- *           Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31", // required
+ *           Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31" || "PYTHON_311" || "NODEJS_18", // required
  *           BuildCommand: "STRING_VALUE",
  *           StartCommand: "STRING_VALUE",
  *           Port: "STRING_VALUE",
@@ -147,7 +147,7 @@ export interface CreateServiceCommandOutput extends CreateServiceResponse, __Met
  * //         CodeConfiguration: { // CodeConfiguration
  * //           ConfigurationSource: "REPOSITORY" || "API", // required
  * //           CodeConfigurationValues: { // CodeConfigurationValues
- * //             Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31", // required
+ * //             Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31" || "PYTHON_311" || "NODEJS_18", // required
  * //             BuildCommand: "STRING_VALUE",
  * //             StartCommand: "STRING_VALUE",
  * //             Port: "STRING_VALUE",
diff --git a/clients/client-apprunner/src/commands/DeleteServiceCommand.ts b/clients/client-apprunner/src/commands/DeleteServiceCommand.ts
index e4d50673815c..28047de28993 100644
--- a/clients/client-apprunner/src/commands/DeleteServiceCommand.ts
+++ b/clients/client-apprunner/src/commands/DeleteServiceCommand.ts
@@ -70,7 +70,7 @@ export interface DeleteServiceCommandOutput extends DeleteServiceResponse, __Met
  * //         CodeConfiguration: { // CodeConfiguration
  * //           ConfigurationSource: "REPOSITORY" || "API", // required
  * //           CodeConfigurationValues: { // CodeConfigurationValues
- * //             Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31", // required
+ * //             Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31" || "PYTHON_311" || "NODEJS_18", // required
  * //             BuildCommand: "STRING_VALUE",
  * //             StartCommand: "STRING_VALUE",
  * //             Port: "STRING_VALUE",
diff --git a/clients/client-apprunner/src/commands/DescribeServiceCommand.ts b/clients/client-apprunner/src/commands/DescribeServiceCommand.ts
index 99524756ff93..81cd0a226c61 100644
--- a/clients/client-apprunner/src/commands/DescribeServiceCommand.ts
+++ b/clients/client-apprunner/src/commands/DescribeServiceCommand.ts
@@ -64,7 +64,7 @@ export interface DescribeServiceCommandOutput extends DescribeServiceResponse, _
  * //         CodeConfiguration: { // CodeConfiguration
  * //           ConfigurationSource: "REPOSITORY" || "API", // required
  * //           CodeConfigurationValues: { // CodeConfigurationValues
- * //             Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31", // required
+ * //             Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31" || "PYTHON_311" || "NODEJS_18", // required
  * //             BuildCommand: "STRING_VALUE",
  * //             StartCommand: "STRING_VALUE",
  * //             Port: "STRING_VALUE",
diff --git a/clients/client-apprunner/src/commands/PauseServiceCommand.ts b/clients/client-apprunner/src/commands/PauseServiceCommand.ts
index ff5f9750269a..cb2af904d34a 100644
--- a/clients/client-apprunner/src/commands/PauseServiceCommand.ts
+++ b/clients/client-apprunner/src/commands/PauseServiceCommand.ts
@@ -63,7 +63,7 @@ export interface PauseServiceCommandOutput extends PauseServiceResponse, __Metad
  * //         CodeConfiguration: { // CodeConfiguration
  * //           ConfigurationSource: "REPOSITORY" || "API", // required
  * //           CodeConfigurationValues: { // CodeConfigurationValues
- * //             Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31", // required
+ * //             Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31" || "PYTHON_311" || "NODEJS_18", // required
  * //             BuildCommand: "STRING_VALUE",
  * //             StartCommand: "STRING_VALUE",
  * //             Port: "STRING_VALUE",
diff --git a/clients/client-apprunner/src/commands/ResumeServiceCommand.ts b/clients/client-apprunner/src/commands/ResumeServiceCommand.ts
index 4e584caf8eb2..08feef333218 100644
--- a/clients/client-apprunner/src/commands/ResumeServiceCommand.ts
+++ b/clients/client-apprunner/src/commands/ResumeServiceCommand.ts
@@ -66,7 +66,7 @@ export interface ResumeServiceCommandOutput extends ResumeServiceResponse, __Met
  * //         CodeConfiguration: { // CodeConfiguration
  * //           ConfigurationSource: "REPOSITORY" || "API", // required
  * //           CodeConfigurationValues: { // CodeConfigurationValues
- * //             Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31", // required
+ * //             Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31" || "PYTHON_311" || "NODEJS_18", // required
  * //             BuildCommand: "STRING_VALUE",
  * //             StartCommand: "STRING_VALUE",
  * //             Port: "STRING_VALUE",
diff --git a/clients/client-apprunner/src/commands/UpdateServiceCommand.ts b/clients/client-apprunner/src/commands/UpdateServiceCommand.ts
index ca26b099eafd..c09dbaa59446 100644
--- a/clients/client-apprunner/src/commands/UpdateServiceCommand.ts
+++ b/clients/client-apprunner/src/commands/UpdateServiceCommand.ts
@@ -57,7 +57,7 @@ export interface UpdateServiceCommandOutput extends UpdateServiceResponse, __Met
  *       CodeConfiguration: { // CodeConfiguration
  *         ConfigurationSource: "REPOSITORY" || "API", // required
  *         CodeConfigurationValues: { // CodeConfigurationValues
- *           Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31", // required
+ *           Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31" || "PYTHON_311" || "NODEJS_18", // required
  *           BuildCommand: "STRING_VALUE",
  *           StartCommand: "STRING_VALUE",
  *           Port: "STRING_VALUE",
@@ -142,7 +142,7 @@ export interface UpdateServiceCommandOutput extends UpdateServiceResponse, __Met
  * //         CodeConfiguration: { // CodeConfiguration
  * //           ConfigurationSource: "REPOSITORY" || "API", // required
  * //           CodeConfigurationValues: { // CodeConfigurationValues
- * //             Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31", // required
+ * //             Runtime: "PYTHON_3" || "NODEJS_12" || "NODEJS_14" || "CORRETTO_8" || "CORRETTO_11" || "NODEJS_16" || "GO_1" || "DOTNET_6" || "PHP_81" || "RUBY_31" || "PYTHON_311" || "NODEJS_18", // required
  * //             BuildCommand: "STRING_VALUE",
  * //             StartCommand: "STRING_VALUE",
  * //             Port: "STRING_VALUE",
diff --git a/clients/client-apprunner/src/models/models_0.ts b/clients/client-apprunner/src/models/models_0.ts
index 8dea5ea4eb3a..fdaa13f4d6d0 100644
--- a/clients/client-apprunner/src/models/models_0.ts
+++ b/clients/client-apprunner/src/models/models_0.ts
@@ -917,12 +917,12 @@ export interface NetworkConfiguration {
 
   /**
    * @public
-   * <p>App Runner provides you with the option to choose between <i>Internet Protocol version 4 (IPv4)</i> and <i>dual-stack</i> (IPv4 and IPv6)
+   * <p>App Runner provides you with the option to choose between <i>Internet Protocol version 4 (IPv4)</i> and <i>dual stack</i> (IPv4 and IPv6)
    *       for your incoming public network configuration. This is an optional parameter.
    *       If you do not specify an <code>IpAddressType</code>, it defaults to select IPv4.</p>
    *          <note>
    *             <p>
-   *         Currently, App Runner supports dual-stack for only Public endpoint. Only IPv4 is supported for Private endpoint.
+   *         Currently, App Runner supports dual stack for only Public endpoint. Only IPv4 is supported for Private endpoint.
    *         If you update a service that's using dual-stack Public endpoint to a Private endpoint, your App Runner service will default to support only IPv4 for Private endpoint and fail to receive traffic originating from IPv6 endpoint.
    *       </p>
    *          </note>
@@ -989,8 +989,10 @@ export const Runtime = {
   NODEJS_12: "NODEJS_12",
   NODEJS_14: "NODEJS_14",
   NODEJS_16: "NODEJS_16",
+  NODEJS_18: "NODEJS_18",
   PHP_81: "PHP_81",
   PYTHON_3: "PYTHON_3",
+  PYTHON_311: "PYTHON_311",
   RUBY_31: "RUBY_31",
 } as const;
 
diff --git a/codegen/sdk-codegen/aws-models/apprunner.json b/codegen/sdk-codegen/aws-models/apprunner.json
index c35f2fafced2..a64bad2d4f6c 100644
--- a/codegen/sdk-codegen/aws-models/apprunner.json
+++ b/codegen/sdk-codegen/aws-models/apprunner.json
@@ -3989,7 +3989,7 @@
         "IpAddressType": {
           "target": "com.amazonaws.apprunner#IpAddressType",
           "traits": {
-            "smithy.api#documentation": "<p>App Runner provides you with the option to choose between <i>Internet Protocol version 4 (IPv4)</i> and <i>dual-stack</i> (IPv4 and IPv6) \n      for your incoming public network configuration. This is an optional parameter. \n      If you do not specify an <code>IpAddressType</code>, it defaults to select IPv4.</p>\n         <note>\n            <p>\n        Currently, App Runner supports dual-stack for only Public endpoint. Only IPv4 is supported for Private endpoint. \n        If you update a service that's using dual-stack Public endpoint to a Private endpoint, your App Runner service will default to support only IPv4 for Private endpoint and fail to receive traffic originating from IPv6 endpoint.  \n      </p>\n         </note>"
+            "smithy.api#documentation": "<p>App Runner provides you with the option to choose between <i>Internet Protocol version 4 (IPv4)</i> and <i>dual stack</i> (IPv4 and IPv6) \n      for your incoming public network configuration. This is an optional parameter. \n      If you do not specify an <code>IpAddressType</code>, it defaults to select IPv4.</p>\n         <note>\n            <p>\n        Currently, App Runner supports dual stack for only Public endpoint. Only IPv4 is supported for Private endpoint. \n        If you update a service that's using dual-stack Public endpoint to a Private endpoint, your App Runner service will default to support only IPv4 for Private endpoint and fail to receive traffic originating from IPv6 endpoint.  \n      </p>\n         </note>"
           }
         }
       },
@@ -4502,6 +4502,18 @@
           "traits": {
             "smithy.api#enumValue": "RUBY_31"
           }
+        },
+        "PYTHON_311": {
+          "target": "smithy.api#Unit",
+          "traits": {
+            "smithy.api#enumValue": "PYTHON_311"
+          }
+        },
+        "NODEJS_18": {
+          "target": "smithy.api#Unit",
+          "traits": {
+            "smithy.api#enumValue": "NODEJS_18"
+          }
         }
       }
     },