diff --git a/sdk/containerinstance/arm-containerinstance/package.json b/sdk/containerinstance/arm-containerinstance/package.json
index 9cc5ae22d2fa..66f1644f58f5 100644
--- a/sdk/containerinstance/arm-containerinstance/package.json
+++ b/sdk/containerinstance/arm-containerinstance/package.json
@@ -27,7 +27,7 @@
     "rollup-plugin-sourcemaps": "^0.4.2",
     "uglify-js": "^3.6.0"
   },
-  "homepage": "https://github.com/Azure/azure-sdk-for-js/tree/feature/v4/sdk/containerinstance/arm-containerinstance",
+  "homepage": "https://github.com/Azure/azure-sdk-for-js/tree/master/sdk/containerinstance/arm-containerinstance",
   "repository": {
     "type": "git",
     "url": "https://github.com/Azure/azure-sdk-for-js.git"
diff --git a/sdk/containerinstance/arm-containerinstance/src/containerInstanceManagementClientContext.ts b/sdk/containerinstance/arm-containerinstance/src/containerInstanceManagementClientContext.ts
index f5d97f870b5b..4570fae41bc5 100644
--- a/sdk/containerinstance/arm-containerinstance/src/containerInstanceManagementClientContext.ts
+++ b/sdk/containerinstance/arm-containerinstance/src/containerInstanceManagementClientContext.ts
@@ -50,7 +50,7 @@ export class ContainerInstanceManagementClientContext extends msRestAzure.AzureS
 
     super(credentials, options);
 
-    this.apiVersion = '2021-07-01';
+    this.apiVersion = '2021-09-01';
     this.acceptLanguage = 'en-US';
     this.longRunningOperationRetryTimeout = 30;
     this.baseUri = options.baseUri || this.baseUri || "https://management.azure.com";
diff --git a/sdk/containerinstance/arm-containerinstance/src/models/index.ts b/sdk/containerinstance/arm-containerinstance/src/models/index.ts
index 8884ea47ddbb..1daf215c29a1 100644
--- a/sdk/containerinstance/arm-containerinstance/src/models/index.ts
+++ b/sdk/containerinstance/arm-containerinstance/src/models/index.ts
@@ -714,6 +714,10 @@ export interface Resource extends BaseResource {
    * The resource tags.
    */
   tags?: { [propertyName: string]: string };
+  /**
+   * The zones for the container group.
+   */
+  zones?: string[];
 }
 
 /**
diff --git a/sdk/containerinstance/arm-containerinstance/src/models/mappers.ts b/sdk/containerinstance/arm-containerinstance/src/models/mappers.ts
index 4f8be21e173f..eaaf973c27c5 100644
--- a/sdk/containerinstance/arm-containerinstance/src/models/mappers.ts
+++ b/sdk/containerinstance/arm-containerinstance/src/models/mappers.ts
@@ -1221,6 +1221,17 @@ export const Resource: msRest.CompositeMapper = {
             }
           }
         }
+      },
+      zones: {
+        serializedName: "zones",
+        type: {
+          name: "Sequence",
+          element: {
+            type: {
+              name: "String"
+            }
+          }
+        }
       }
     }
   }