diff --git a/src/request_id_header.ts b/src/request_id_header.ts
index 88495b276..6d9e242c9 100644
--- a/src/request_id_header.ts
+++ b/src/request_id_header.ts
@@ -1,5 +1,5 @@
 /*!
- * Copyright 2024 Google LLC. All Rights Reserved.
+ * Copyright 2025 Google LLC. All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/test/request_id_header.ts b/test/request_id_header.ts
index d1c23de09..e21ea7692 100644
--- a/test/request_id_header.ts
+++ b/test/request_id_header.ts
@@ -1,5 +1,5 @@
 /*!
- * Copyright 2024 Google LLC. All Rights Reserved.
+ * Copyright 2025 Google LLC. All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.