diff --git a/generated/google/apis/cloudbuild_v1alpha1.rb b/generated/google/apis/cloudbuild_v1alpha1.rb
index 217ee8d53..05d6dd7e0 100644
--- a/generated/google/apis/cloudbuild_v1alpha1.rb
+++ b/generated/google/apis/cloudbuild_v1alpha1.rb
@@ -25,7 +25,7 @@ module Google
     # @see https://cloud.google.com/cloud-build/docs/
     module CloudbuildV1alpha1
       VERSION = 'V1alpha1'
-      REVISION = '20201203'
+      REVISION = '20201211'
 
       # 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_v1alpha1/classes.rb b/generated/google/apis/cloudbuild_v1alpha1/classes.rb
index dac37eb8f..9491cac2b 100644
--- a/generated/google/apis/cloudbuild_v1alpha1/classes.rb
+++ b/generated/google/apis/cloudbuild_v1alpha1/classes.rb
@@ -213,8 +213,7 @@ module Google
       
         # IAM service account whose credentials will be used at build runtime. Must be
         # of the format `projects/`PROJECT_ID`/serviceAccounts/`ACCOUNT``. ACCOUNT can
-        # be email address or uniqueId of the service account. This field is in alpha
-        # and is not publicly available.
+        # be email address or uniqueId of the service account. This field is in beta.
         # Corresponds to the JSON property `serviceAccount`
         # @return [String]
         attr_accessor :service_account
@@ -420,7 +419,8 @@ module Google
         attr_accessor :volumes
       
         # Option to specify a `WorkerPool` for the build. Format: projects/`project`/
-        # locations/`location`/workerPools/`workerPool` This field is experimental.
+        # locations/`location`/workerPools/`workerPool` This field is in beta and is
+        # available only to restricted users.
         # Corresponds to the JSON property `workerPool`
         # @return [String]
         attr_accessor :worker_pool
diff --git a/generated/google/apis/cloudbuild_v1alpha1/synth.metadata b/generated/google/apis/cloudbuild_v1alpha1/synth.metadata
index bed7f65b7..56cfb8c92 100644
--- a/generated/google/apis/cloudbuild_v1alpha1/synth.metadata
+++ b/generated/google/apis/cloudbuild_v1alpha1/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/google-api-ruby-client.git",
-        "sha": "e9e5d06389b01d6e371284045081e4ca88260953"
+        "sha": "7a581bf94bfcaea6d9f6cd85db1252ffb551b1e8"
       }
     }
   ]