diff --git a/LICENSE b/LICENSE
index 3577c8b..72c1aa6 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020 ChesterYue
+Copyright (c) 2020 ChesterYue, Ryota Sasaki
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal