diff --git a/README.md b/README.md
index 17e4f63..0f2a15f 100644
--- a/README.md
+++ b/README.md
@@ -277,7 +277,7 @@ To enable LINE Things, read [LINE Things Starter, Enable LINE Things](https://gi
 
 MIT License
 
-Copyright (c) 2018 intocode Co., Ltd.
+Copyright (c) 2018-2019 intocode Co., Ltd.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal