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 fe9b2daec23..ba8730d3d57 100644
--- a/packages/google-container/protos/google/container/v1/cluster_service.proto
+++ b/packages/google-container/protos/google/container/v1/cluster_service.proto
@@ -4752,6 +4752,10 @@ message ReleaseChannel {
     // Clusters subscribed to STABLE receive versions that are known to be
     // stable and reliable in production.
     STABLE = 3;
+
+    // Clusters subscribed to EXTENDED receive extended support and availability
+    // for versions which are known to be stable and reliable in production.
+    EXTENDED = 4;
   }
 
   // channel specifies which release channel the cluster is subscribed to.
diff --git a/packages/google-container/protos/google/container/v1beta1/cluster_service.proto b/packages/google-container/protos/google/container/v1beta1/cluster_service.proto
index f5dec1e43ec..5db56b0c13c 100644
--- a/packages/google-container/protos/google/container/v1beta1/cluster_service.proto
+++ b/packages/google-container/protos/google/container/v1beta1/cluster_service.proto
@@ -5728,6 +5728,10 @@ message ReleaseChannel {
     // Clusters subscribed to STABLE receive versions that are known to be
     // stable and reliable in production.
     STABLE = 3;
+
+    // Clusters subscribed to EXTENDED receive extended support and availability
+    // for versions which are known to be stable and reliable in production.
+    EXTENDED = 4;
   }
 
   // channel specifies which release channel the cluster is subscribed to.
diff --git a/packages/google-container/protos/protos.d.ts b/packages/google-container/protos/protos.d.ts
index 1f0ea01b3de..7febc877131 100644
--- a/packages/google-container/protos/protos.d.ts
+++ b/packages/google-container/protos/protos.d.ts
@@ -17773,7 +17773,8 @@ export namespace google {
                     UNSPECIFIED = 0,
                     RAPID = 1,
                     REGULAR = 2,
-                    STABLE = 3
+                    STABLE = 3,
+                    EXTENDED = 4
                 }
             }
 
@@ -45578,7 +45579,8 @@ export namespace google {
                     UNSPECIFIED = 0,
                     RAPID = 1,
                     REGULAR = 2,
-                    STABLE = 3
+                    STABLE = 3,
+                    EXTENDED = 4
                 }
             }
 
diff --git a/packages/google-container/protos/protos.js b/packages/google-container/protos/protos.js
index 9a25c3a692b..79f3498c277 100644
--- a/packages/google-container/protos/protos.js
+++ b/packages/google-container/protos/protos.js
@@ -29803,6 +29803,7 @@
                                 case 1:
                                 case 2:
                                 case 3:
+                                case 4:
                                     break;
                                 }
                             if (message.defaultVersion != null && message.hasOwnProperty("defaultVersion"))
@@ -29853,6 +29854,10 @@
                             case 3:
                                 message.channel = 3;
                                 break;
+                            case "EXTENDED":
+                            case 4:
+                                message.channel = 4;
+                                break;
                             }
                             if (object.defaultVersion != null)
                                 message.defaultVersion = String(object.defaultVersion);
@@ -46307,6 +46312,7 @@
                             case 1:
                             case 2:
                             case 3:
+                            case 4:
                                 break;
                             }
                         return null;
@@ -46347,6 +46353,10 @@
                         case 3:
                             message.channel = 3;
                             break;
+                        case "EXTENDED":
+                        case 4:
+                            message.channel = 4;
+                            break;
                         }
                         return message;
                     };
@@ -46405,6 +46415,7 @@
                      * @property {number} RAPID=1 RAPID value
                      * @property {number} REGULAR=2 REGULAR value
                      * @property {number} STABLE=3 STABLE value
+                     * @property {number} EXTENDED=4 EXTENDED value
                      */
                     ReleaseChannel.Channel = (function() {
                         var valuesById = {}, values = Object.create(valuesById);
@@ -46412,6 +46423,7 @@
                         values[valuesById[1] = "RAPID"] = 1;
                         values[valuesById[2] = "REGULAR"] = 2;
                         values[valuesById[3] = "STABLE"] = 3;
+                        values[valuesById[4] = "EXTENDED"] = 4;
                         return values;
                     })();
     
@@ -92744,6 +92756,7 @@
                                 case 1:
                                 case 2:
                                 case 3:
+                                case 4:
                                     break;
                                 }
                             if (message.defaultVersion != null && message.hasOwnProperty("defaultVersion"))
@@ -92803,6 +92816,10 @@
                             case 3:
                                 message.channel = 3;
                                 break;
+                            case "EXTENDED":
+                            case 4:
+                                message.channel = 4;
+                                break;
                             }
                             if (object.defaultVersion != null)
                                 message.defaultVersion = String(object.defaultVersion);
@@ -116647,6 +116664,7 @@
                             case 1:
                             case 2:
                             case 3:
+                            case 4:
                                 break;
                             }
                         return null;
@@ -116687,6 +116705,10 @@
                         case 3:
                             message.channel = 3;
                             break;
+                        case "EXTENDED":
+                        case 4:
+                            message.channel = 4;
+                            break;
                         }
                         return message;
                     };
@@ -116745,6 +116767,7 @@
                      * @property {number} RAPID=1 RAPID value
                      * @property {number} REGULAR=2 REGULAR value
                      * @property {number} STABLE=3 STABLE value
+                     * @property {number} EXTENDED=4 EXTENDED value
                      */
                     ReleaseChannel.Channel = (function() {
                         var valuesById = {}, values = Object.create(valuesById);
@@ -116752,6 +116775,7 @@
                         values[valuesById[1] = "RAPID"] = 1;
                         values[valuesById[2] = "REGULAR"] = 2;
                         values[valuesById[3] = "STABLE"] = 3;
+                        values[valuesById[4] = "EXTENDED"] = 4;
                         return values;
                     })();
     
diff --git a/packages/google-container/protos/protos.json b/packages/google-container/protos/protos.json
index 459c53c2b1c..9c2c9ef0e07 100644
--- a/packages/google-container/protos/protos.json
+++ b/packages/google-container/protos/protos.json
@@ -5439,7 +5439,8 @@
                         "UNSPECIFIED": 0,
                         "RAPID": 1,
                         "REGULAR": 2,
-                        "STABLE": 3
+                        "STABLE": 3,
+                        "EXTENDED": 4
                       }
                     }
                   }
@@ -12737,7 +12738,8 @@
                         "UNSPECIFIED": 0,
                         "RAPID": 1,
                         "REGULAR": 2,
-                        "STABLE": 3
+                        "STABLE": 3,
+                        "EXTENDED": 4
                       }
                     }
                   }