diff --git a/README.md b/README.md
index c33a90e..8d403d2 100644
--- a/README.md
+++ b/README.md
@@ -224,7 +224,7 @@ NOTE: If licensify works in any of the unsupported environments, it is purely co
 
 LICENSE
 ---------------------------------------
-Licensed under the [MIT](https://twada.mit-license.org/2014-2016) license.
+Licensed under the [MIT](https://twada.mit-license.org/2014-2017) license.
 
 
 [npm-url]: https://www.npmjs.com/package/licensify
@@ -236,5 +236,5 @@ Licensed under the [MIT](https://twada.mit-license.org/2014-2016) license.
 [depstat-url]: https://gemnasium.com/twada/licensify
 [depstat-image]: https://gemnasium.com/twada/licensify.svg
 
-[license-url]: https://twada.mit-license.org/2014-2016
+[license-url]: https://twada.mit-license.org/2014-2017
 [license-image]: https://img.shields.io/badge/license-MIT-brightgreen.svg
diff --git a/index.js b/index.js
index 4019fb1..e2820c4 100644
--- a/index.js
+++ b/index.js
@@ -4,8 +4,8 @@
  * 
  * https://github.com/twada/licensify
  *
- * Copyright (c) 2014-2016 Takuto Wada
+ * Copyright (c) 2014-2017 Takuto Wada
  * Licensed under the MIT license.
- *   https://twada.mit-license.org/2014-2016
+ *   https://twada.mit-license.org/2014-2017
  */
 module.exports = require('./lib/licensify');
diff --git a/lib/licensify.js b/lib/licensify.js
index 81f03bc..ec4d430 100644
--- a/lib/licensify.js
+++ b/lib/licensify.js
@@ -4,9 +4,9 @@
  *
  * https://github.com/twada/licensify
  *
- * Copyright (c) 2014-2016 Takuto Wada
+ * Copyright (c) 2014-2017 Takuto Wada
  * Licensed under the MIT license.
- *   https://twada.mit-license.org/2014-2016
+ *   https://twada.mit-license.org/2014-2017
  */
 'use strict';