diff --git a/LICENSE.BSD b/LICENSE.BSD
index 3e580c3..5be2b3f 100644
--- a/LICENSE.BSD
+++ b/LICENSE.BSD
@@ -1,3 +1,5 @@
+Copyright (c) 2020 Yusuke Suzuki
+
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met: