diff --git a/README.md b/README.md
index 6af64a6..572b6d8 100644
--- a/README.md
+++ b/README.md
@@ -110,7 +110,7 @@ Original HelioDisplayManagement - copyright © Soroush Falahati 2017-2020
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+the Free Software Foundation; either version 3 of the License, or
 (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,