diff --git a/discovery/gameservices-v1.json b/discovery/gameservices-v1.json
index cf0f7cf4896..79cbf33f041 100644
--- a/discovery/gameservices-v1.json
+++ b/discovery/gameservices-v1.json
@@ -1312,7 +1312,7 @@
       }
     }
   },
-  "revision": "20200730",
+  "revision": "20200926",
   "rootUrl": "https://gameservices.googleapis.com/",
   "schemas": {
     "AuditConfig": {
@@ -1401,6 +1401,10 @@
       "description": "Associates `members` with a `role`.",
       "id": "Binding",
       "properties": {
+        "bindingId": {
+          "description": "A client-specified ID for this binding. Expected to be globally unique to support the internal bindings-by-ID API.",
+          "type": "string"
+        },
         "condition": {
           "$ref": "Expr",
           "description": "The condition that is associated with this binding. If the condition evaluates to `true`, then this binding applies to the current request. If the condition evaluates to `false`, then this binding does not apply to the current request. However, a different role binding might grant the same role to one or more of the members in this binding. To learn which resources support conditions in their IAM policies, see the [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies)."
diff --git a/discovery/gameservices-v1beta.json b/discovery/gameservices-v1beta.json
index 14731aa9f31..be48e3fc5c7 100644
--- a/discovery/gameservices-v1beta.json
+++ b/discovery/gameservices-v1beta.json
@@ -1312,7 +1312,7 @@
       }
     }
   },
-  "revision": "20200730",
+  "revision": "20200926",
   "rootUrl": "https://gameservices.googleapis.com/",
   "schemas": {
     "AuditConfig": {
@@ -1401,6 +1401,10 @@
       "description": "Associates `members` with a `role`.",
       "id": "Binding",
       "properties": {
+        "bindingId": {
+          "description": "A client-specified ID for this binding. Expected to be globally unique to support the internal bindings-by-ID API.",
+          "type": "string"
+        },
         "condition": {
           "$ref": "Expr",
           "description": "The condition that is associated with this binding. If the condition evaluates to `true`, then this binding applies to the current request. If the condition evaluates to `false`, then this binding does not apply to the current request. However, a different role binding might grant the same role to one or more of the members in this binding. To learn which resources support conditions in their IAM policies, see the [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies)."
diff --git a/src/apis/gameservices/v1.ts b/src/apis/gameservices/v1.ts
index f816771e9dc..5a54f5524c0 100644
--- a/src/apis/gameservices/v1.ts
+++ b/src/apis/gameservices/v1.ts
@@ -168,6 +168,10 @@ export namespace gameservices_v1 {
    * Associates `members` with a `role`.
    */
   export interface Schema$Binding {
+    /**
+     * A client-specified ID for this binding. Expected to be globally unique to support the internal bindings-by-ID API.
+     */
+    bindingId?: string | null;
     /**
      * The condition that is associated with this binding. If the condition evaluates to `true`, then this binding applies to the current request. If the condition evaluates to `false`, then this binding does not apply to the current request. However, a different role binding might grant the same role to one or more of the members in this binding. To learn which resources support conditions in their IAM policies, see the [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
      */
diff --git a/src/apis/gameservices/v1beta.ts b/src/apis/gameservices/v1beta.ts
index 0d8f38a0e87..bfb63b4fe72 100644
--- a/src/apis/gameservices/v1beta.ts
+++ b/src/apis/gameservices/v1beta.ts
@@ -168,6 +168,10 @@ export namespace gameservices_v1beta {
    * Associates `members` with a `role`.
    */
   export interface Schema$Binding {
+    /**
+     * A client-specified ID for this binding. Expected to be globally unique to support the internal bindings-by-ID API.
+     */
+    bindingId?: string | null;
     /**
      * The condition that is associated with this binding. If the condition evaluates to `true`, then this binding applies to the current request. If the condition evaluates to `false`, then this binding does not apply to the current request. However, a different role binding might grant the same role to one or more of the members in this binding. To learn which resources support conditions in their IAM policies, see the [IAM documentation](https://cloud.google.com/iam/help/conditions/resource-policies).
      */