diff --git a/COPYING b/COPYING
index afa1794598..c218443d42 100644
--- a/COPYING
+++ b/COPYING
@@ -1,5 +1,5 @@
 Unless otherwise stated this repository is
-Copyright © 2014-2022 syuilo and contributers
+Copyright © 2014-2023 syuilo and contributers
 
 And is distributed under The GNU Affero General Public License Version 3, you should have received a copy of the license file as LICENSE.