diff --git a/LICENSE b/LICENSE
index 052f527..f288702 100644
--- a/LICENSE
+++ b/LICENSE
@@ -636,7 +636,8 @@ the "copyright" line and a pointer to where the full notice is found.
 
     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, version 3.
+    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,
     but WITHOUT ANY WARRANTY; without even the implied warranty of