diff --git a/generated/google/apis/cloudbuild_v1alpha2.rb b/generated/google/apis/cloudbuild_v1alpha2.rb
index f72d444a7..3551793c2 100644
--- a/generated/google/apis/cloudbuild_v1alpha2.rb
+++ b/generated/google/apis/cloudbuild_v1alpha2.rb
@@ -25,7 +25,7 @@ module Google
     # @see https://cloud.google.com/cloud-build/docs/
     module CloudbuildV1alpha2
       VERSION = 'V1alpha2'
-      REVISION = '20200831'
+      REVISION = '20201203'
 
       # View and manage your data across Google Cloud Platform services
       AUTH_CLOUD_PLATFORM = 'https://www.googleapis.com/auth/cloud-platform'
diff --git a/generated/google/apis/cloudbuild_v1alpha2/synth.metadata b/generated/google/apis/cloudbuild_v1alpha2/synth.metadata
index 429012f74..bed7f65b7 100644
--- a/generated/google/apis/cloudbuild_v1alpha2/synth.metadata
+++ b/generated/google/apis/cloudbuild_v1alpha2/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "c98c719bbab68d0890524d53f8b629d7858af9c2"
+        "sha": "e9e5d06389b01d6e371284045081e4ca88260953"
       }
     }
   ]