diff --git a/license-header.txt b/license-header.txt
index 23eb23b..685a27e 100644
--- a/license-header.txt
+++ b/license-header.txt
@@ -1,4 +1,4 @@
-Copyright (C) 2020  Haowei Wen <yushijinhun@gmail.com> and contributors
+Copyright (C) 2021  Haowei Wen <yushijinhun@gmail.com> and contributors
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as published by