diff --git a/LICENSE b/LICENSE
index 78745fd..4c10f81 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2015 Yamashita, Yuu
+Copyright (c) 2025 Yamashita, Yuu
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the