diff --git a/resources/copyright b/resources/copyright
index b7cc70113..de5626e1d 100644
--- a/resources/copyright
+++ b/resources/copyright
@@ -1,5 +1,5 @@
 
-Copyright 1999-2018 Alibaba Group Holding Ltd.
+Copyright 1999-2021 Alibaba Group Holding Ltd.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.