diff --git a/google/cloud/workflows/executions/v1beta/BUILD.bazel b/google/cloud/workflows/executions/v1beta/BUILD.bazel
index 40f23df5..86ad4c18 100644
--- a/google/cloud/workflows/executions/v1beta/BUILD.bazel
+++ b/google/cloud/workflows/executions/v1beta/BUILD.bazel
@@ -33,12 +33,13 @@ proto_library_with_info(
 
 ##############################################################################
 # Java
+# DO NOT OVERRIDE this Java microgenerator section with autogenerated rules.
 ##############################################################################
 load(
     "@com_google_googleapis_imports//:imports.bzl",
-    "java_gapic_assembly_gradle_pkg",
-    "java_gapic_library",
-    "java_gapic_test",
+    java_gapic_assembly_gradle_pkg = "java_gapic_assembly_gradle_pkg2",
+    java_gapic_library = "java_gapic_library2",
+    java_gapic_test = "java_gapic_test2",
     "java_grpc_library",
     "java_proto_library",
 )
@@ -56,10 +57,9 @@ java_grpc_library(
 
 java_gapic_library(
     name = "executions_java_gapic",
-    src = ":executions_proto_with_info",
-    gapic_yaml = "executions_gapic.yaml",
+    grpc_service_config = "executions_grpc_service_config.json",
+    srcs = [":executions_proto_with_info"],
     package = "google.cloud.workflows.executions.v1beta",
-    service_yaml = "workflowexecutions_v1beta.yaml",
     test_deps = [
         ":executions_java_grpc",
     ],
diff --git a/google/cloud/workflows/executions/v1beta/executions_gapic.yaml b/google/cloud/workflows/executions/v1beta/executions_gapic.yaml
index f4aac037..ba295adf 100644
--- a/google/cloud/workflows/executions/v1beta/executions_gapic.yaml
+++ b/google/cloud/workflows/executions/v1beta/executions_gapic.yaml
@@ -1,8 +1,6 @@
 type: com.google.api.codegen.ConfigProto
 config_schema_version: 2.0.0
 language_settings:
-  java:
-    package_name: com.google.cloud.workflows.executions.v1beta
   python:
     package_name: google.cloud.workflows.executions_v1beta.gapic
   go:
diff --git a/google/cloud/workflows/v1beta/BUILD.bazel b/google/cloud/workflows/v1beta/BUILD.bazel
index 23afb82e..884a9f60 100644
--- a/google/cloud/workflows/v1beta/BUILD.bazel
+++ b/google/cloud/workflows/v1beta/BUILD.bazel
@@ -35,12 +35,13 @@ proto_library_with_info(
 
 ##############################################################################
 # Java
+# DO NOT OVERRIDE this Java microgenerator section with autogenerated rules.
 ##############################################################################
 load(
     "@com_google_googleapis_imports//:imports.bzl",
-    "java_gapic_assembly_gradle_pkg",
-    "java_gapic_library",
-    "java_gapic_test",
+    java_gapic_assembly_gradle_pkg = "java_gapic_assembly_gradle_pkg2",
+    java_gapic_library = "java_gapic_library2",
+    java_gapic_test = "java_gapic_test2",
     "java_grpc_library",
     "java_proto_library",
 )
@@ -58,10 +59,9 @@ java_grpc_library(
 
 java_gapic_library(
     name = "workflows_java_gapic",
-    src = ":workflows_proto_with_info",
-    gapic_yaml = "workflows_gapic.yaml",
+    grpc_service_config = "workflows_grpc_service_config.json",
+    srcs = [":workflows_proto_with_info"],
     package = "google.cloud.workflows.v1beta",
-    service_yaml = "workflows_v1beta.yaml",
     test_deps = [
         ":workflows_java_grpc",
     ],
diff --git a/google/cloud/workflows/v1beta/workflows_gapic.yaml b/google/cloud/workflows/v1beta/workflows_gapic.yaml
index 9fa0c449..a2f29d89 100644
--- a/google/cloud/workflows/v1beta/workflows_gapic.yaml
+++ b/google/cloud/workflows/v1beta/workflows_gapic.yaml
@@ -1,8 +1,6 @@
 type: com.google.api.codegen.ConfigProto
 config_schema_version: 2.0.0
 language_settings:
-  java:
-    package_name: com.google.cloud.workflows.v1beta
   python:
     package_name: google.cloud.workflows_v1beta.gapic
   go: