diff --git a/clients/client-redshift-serverless/src/commands/CreateNamespaceCommand.ts b/clients/client-redshift-serverless/src/commands/CreateNamespaceCommand.ts
index 158c6c671dc0..b4beb6383442 100644
--- a/clients/client-redshift-serverless/src/commands/CreateNamespaceCommand.ts
+++ b/clients/client-redshift-serverless/src/commands/CreateNamespaceCommand.ts
@@ -74,6 +74,7 @@ export interface CreateNamespaceCommandOutput extends CreateNamespaceResponse, _
  *   ],
  *   manageAdminPassword: true || false,
  *   adminPasswordSecretKmsKeyId: "STRING_VALUE",
+ *   redshiftIdcApplicationArn: "STRING_VALUE",
  * };
  * const command = new CreateNamespaceCommand(input);
  * const response = await client.send(command);
diff --git a/clients/client-redshift-serverless/src/models/models_0.ts b/clients/client-redshift-serverless/src/models/models_0.ts
index ed2c66d5fb53..87a57f19bcfa 100644
--- a/clients/client-redshift-serverless/src/models/models_0.ts
+++ b/clients/client-redshift-serverless/src/models/models_0.ts
@@ -779,6 +779,12 @@ export interface CreateNamespaceRequest {
    *          You can only use this parameter if <code>manageAdminPassword</code> is true.</p>
    */
   adminPasswordSecretKmsKeyId?: string;
+
+  /**
+   * @public
+   * <p>The ARN for the Redshift application that integrates with IAM Identity Center.</p>
+   */
+  redshiftIdcApplicationArn?: string;
 }
 
 /**
diff --git a/codegen/sdk-codegen/aws-models/redshift-serverless.json b/codegen/sdk-codegen/aws-models/redshift-serverless.json
index b229d9f6bb34..3d8949cc9844 100644
--- a/codegen/sdk-codegen/aws-models/redshift-serverless.json
+++ b/codegen/sdk-codegen/aws-models/redshift-serverless.json
@@ -465,6 +465,12 @@
           "traits": {
             "smithy.api#documentation": "<p>The ID of the Key Management Service (KMS) key used to encrypt and store the namespace's admin credentials secret. \n         You can only use this parameter if <code>manageAdminPassword</code> is true.</p>"
           }
+        },
+        "redshiftIdcApplicationArn": {
+          "target": "com.amazonaws.redshiftserverless#RedshiftIdcApplicationArn",
+          "traits": {
+            "smithy.api#documentation": "<p>The ARN for the Redshift application that integrates with IAM Identity Center.</p>"
+          }
         }
       },
       "traits": {
@@ -3160,6 +3166,15 @@
         }
       ]
     },
+    "com.amazonaws.redshiftserverless#RedshiftIdcApplicationArn": {
+      "type": "string",
+      "traits": {
+        "smithy.api#length": {
+          "min": 1,
+          "max": 1024
+        }
+      }
+    },
     "com.amazonaws.redshiftserverless#RedshiftServerless": {
       "type": "service",
       "version": "2021-04-21",