diff --git a/vkExUnit.php b/vkExUnit.php
index fca06ba0..08eb9728 100644
--- a/vkExUnit.php
+++ b/vkExUnit.php
@@ -18,7 +18,7 @@
  */
 
 /*
-Copyright 2015-2024 Vektor,Inc. ( email : kurudrive@gmail.com )
+Copyright 2015-2024 Vektor,Inc. ( email : vk-develop@vektor-inc.co.jp )
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License, version 2, as