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 9fe74f68fbd..40b8ac7ea68 100644
--- a/packages/google-container/protos/google/container/v1/cluster_service.proto
+++ b/packages/google-container/protos/google/container/v1/cluster_service.proto
@@ -1951,6 +1951,11 @@ message ClusterUpdate {
 
   // The desired node pool logging configuration defaults for the cluster.
   NodePoolLoggingConfig desired_node_pool_logging_config = 116;
+
+  // The desired stack type of the cluster.
+  // If a stack type is provided and does not match the current stack type of
+  // the cluster, update will attempt to change the stack type to the new type.
+  StackType desired_stack_type = 119;
 }
 
 // This operation resource represents operations that may have happened or are
diff --git a/packages/google-container/protos/protos.d.ts b/packages/google-container/protos/protos.d.ts
index 9f0d2a3e481..7fa8aa38068 100644
--- a/packages/google-container/protos/protos.d.ts
+++ b/packages/google-container/protos/protos.d.ts
@@ -5829,6 +5829,9 @@ export namespace google {
 
                 /** ClusterUpdate desiredNodePoolLoggingConfig */
                 desiredNodePoolLoggingConfig?: (google.container.v1.INodePoolLoggingConfig|null);
+
+                /** ClusterUpdate desiredStackType */
+                desiredStackType?: (google.container.v1.StackType|keyof typeof google.container.v1.StackType|null);
             }
 
             /** Represents a ClusterUpdate. */
@@ -5954,6 +5957,9 @@ export namespace google {
                 /** ClusterUpdate desiredNodePoolLoggingConfig. */
                 public desiredNodePoolLoggingConfig?: (google.container.v1.INodePoolLoggingConfig|null);
 
+                /** ClusterUpdate desiredStackType. */
+                public desiredStackType: (google.container.v1.StackType|keyof typeof google.container.v1.StackType);
+
                 /** ClusterUpdate _desiredEnablePrivateEndpoint. */
                 public _desiredEnablePrivateEndpoint?: "desiredEnablePrivateEndpoint";
 
diff --git a/packages/google-container/protos/protos.js b/packages/google-container/protos/protos.js
index e2b9a0687ab..528ee8a68ce 100644
--- a/packages/google-container/protos/protos.js
+++ b/packages/google-container/protos/protos.js
@@ -14281,6 +14281,7 @@
                      * @property {google.container.v1.INetworkTags|null} [desiredNodePoolAutoConfigNetworkTags] ClusterUpdate desiredNodePoolAutoConfigNetworkTags
                      * @property {google.container.v1.IGatewayAPIConfig|null} [desiredGatewayApiConfig] ClusterUpdate desiredGatewayApiConfig
                      * @property {google.container.v1.INodePoolLoggingConfig|null} [desiredNodePoolLoggingConfig] ClusterUpdate desiredNodePoolLoggingConfig
+                     * @property {google.container.v1.StackType|null} [desiredStackType] ClusterUpdate desiredStackType
                      */
     
                     /**
@@ -14603,6 +14604,14 @@
                      */
                     ClusterUpdate.prototype.desiredNodePoolLoggingConfig = null;
     
+                    /**
+                     * ClusterUpdate desiredStackType.
+                     * @member {google.container.v1.StackType} desiredStackType
+                     * @memberof google.container.v1.ClusterUpdate
+                     * @instance
+                     */
+                    ClusterUpdate.prototype.desiredStackType = 0;
+    
                     // OneOf field names bound to virtual getters and setters
                     var $oneOfFields;
     
@@ -14718,6 +14727,8 @@
                             $root.google.container.v1.GatewayAPIConfig.encode(message.desiredGatewayApiConfig, writer.uint32(/* id 114, wireType 2 =*/914).fork()).ldelim();
                         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"))
+                            writer.uint32(/* id 119, wireType 0 =*/952).int32(message.desiredStackType);
                         return writer;
                     };
     
@@ -14906,6 +14917,10 @@
                                     message.desiredNodePoolLoggingConfig = $root.google.container.v1.NodePoolLoggingConfig.decode(reader, reader.uint32());
                                     break;
                                 }
+                            case 119: {
+                                    message.desiredStackType = reader.int32();
+                                    break;
+                                }
                             default:
                                 reader.skipType(tag & 7);
                                 break;
@@ -15131,6 +15146,15 @@
                             if (error)
                                 return "desiredNodePoolLoggingConfig." + error;
                         }
+                        if (message.desiredStackType != null && message.hasOwnProperty("desiredStackType"))
+                            switch (message.desiredStackType) {
+                            default:
+                                return "desiredStackType: enum value expected";
+                            case 0:
+                            case 1:
+                            case 2:
+                                break;
+                            }
                         return null;
                     };
     
@@ -15351,6 +15375,26 @@
                                 throw TypeError(".google.container.v1.ClusterUpdate.desiredNodePoolLoggingConfig: object expected");
                             message.desiredNodePoolLoggingConfig = $root.google.container.v1.NodePoolLoggingConfig.fromObject(object.desiredNodePoolLoggingConfig);
                         }
+                        switch (object.desiredStackType) {
+                        default:
+                            if (typeof object.desiredStackType === "number") {
+                                message.desiredStackType = object.desiredStackType;
+                                break;
+                            }
+                            break;
+                        case "STACK_TYPE_UNSPECIFIED":
+                        case 0:
+                            message.desiredStackType = 0;
+                            break;
+                        case "IPV4":
+                        case 1:
+                            message.desiredStackType = 1;
+                            break;
+                        case "IPV4_IPV6":
+                        case 2:
+                            message.desiredStackType = 2;
+                            break;
+                        }
                         return message;
                     };
     
@@ -15406,6 +15450,7 @@
                             object.desiredNodePoolAutoConfigNetworkTags = null;
                             object.desiredGatewayApiConfig = null;
                             object.desiredNodePoolLoggingConfig = null;
+                            object.desiredStackType = options.enums === String ? "STACK_TYPE_UNSPECIFIED" : 0;
                         }
                         if (message.desiredNodeVersion != null && message.hasOwnProperty("desiredNodeVersion"))
                             object.desiredNodeVersion = message.desiredNodeVersion;
@@ -15489,6 +15534,8 @@
                             object.desiredGatewayApiConfig = $root.google.container.v1.GatewayAPIConfig.toObject(message.desiredGatewayApiConfig, options);
                         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"))
+                            object.desiredStackType = options.enums === String ? $root.google.container.v1.StackType[message.desiredStackType] === undefined ? message.desiredStackType : $root.google.container.v1.StackType[message.desiredStackType] : message.desiredStackType;
                         return object;
                     };
     
diff --git a/packages/google-container/protos/protos.json b/packages/google-container/protos/protos.json
index c73de796a86..1fac0eb59a4 100644
--- a/packages/google-container/protos/protos.json
+++ b/packages/google-container/protos/protos.json
@@ -2161,6 +2161,10 @@
                     "desiredNodePoolLoggingConfig": {
                       "type": "NodePoolLoggingConfig",
                       "id": 116
+                    },
+                    "desiredStackType": {
+                      "type": "StackType",
+                      "id": 119
                     }
                   }
                 },