diff --git a/util/wait_group_wrapper.go b/util/wait_group_wrapper.go
index 16c8704920a28..55c9a922b94b9 100644
--- a/util/wait_group_wrapper.go
+++ b/util/wait_group_wrapper.go
@@ -1,4 +1,4 @@
-// Copyright 2021 PingCAP, Inc.
+// Copyright 2022 PingCAP, Inc.
 //
 // 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/util/wait_group_wrapper_test.go b/util/wait_group_wrapper_test.go
index 40e66fdaf5759..af56a9310e9d7 100644
--- a/util/wait_group_wrapper_test.go
+++ b/util/wait_group_wrapper_test.go
@@ -1,4 +1,4 @@
-// Copyright 2021 PingCAP, Inc.
+// Copyright 2022 PingCAP, Inc.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.