update license
diff --git a/LICENSE b/LICENSE
index e873a35..43e51c0 100644
--- a/LICENSE
+++ b/LICENSE
@@ -187,7 +187,7 @@
       same "printed page" as the copyright notice for easier

       identification within third-party archives.

 

-   Copyright 2018 The Apache Software Foundation

+   Copyright 2019 The Apache Software Foundation

 

    Licensed under the Apache License, Version 2.0 (the "License");

    you may not use this file except in compliance with the License.