diff --git a/variables.tf b/variables.tf
index 458a2ea8..3e5ed378 100644
--- a/variables.tf
+++ b/variables.tf
@@ -1,5 +1,5 @@
 /**
- * Copyright 2019 Google LLC
+ * Copyright 2020 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.