diff --git a/samples/snippets/noxfile.py b/samples/snippets/noxfile.py
index 0e13f5f1..b008613f 100644
--- a/samples/snippets/noxfile.py
+++ b/samples/snippets/noxfile.py
@@ -1,4 +1,4 @@
-# Copyright 2021 Google LLC
+# Copyright 2019 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.