diff --git a/test_proxy/handlers/client_handler_data_sync_autogen.py b/test_proxy/handlers/client_handler_data_sync_autogen.py
index 52ddec6fd..eabae0ffa 100644
--- a/test_proxy/handlers/client_handler_data_sync_autogen.py
+++ b/test_proxy/handlers/client_handler_data_sync_autogen.py
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.