diff --git a/libraries/LICENSE.txt b/libraries/LICENSE.txt
index 8f1ca766a9..e767d2a44c 100644
--- a/libraries/LICENSE.txt
+++ b/libraries/LICENSE.txt
@@ -33,7 +33,7 @@ win32/ contains headers and precompiled static libs for Windows builds.
     MIT
 
   win32/gloox
-    GPL v2
+    GPL v3
 
   win32/iconv
     LGPL v2.0 (or later)