diff --git a/LICENSE b/LICENSE
index 1b5bb76..4b03b8a 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019-2020 Nao Yonashiro
+Copyright (c) 2019-2021 Nao Yonashiro
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal