diff --git a/SimpleWebSearch/LICENSE.txt b/SimpleWebSearch/LICENSE.txt
index 0bf499e..17977dc 100644
--- a/SimpleWebSearch/LICENSE.txt
+++ b/SimpleWebSearch/LICENSE.txt
@@ -1,4 +1,4 @@
-Copyright (c) 2013-2015, Tsuda Kageyu  All rights reserved.
+Copyright (c) 2013-2017, Tsuda Kageyu  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: