diff --git a/tryton/version.py b/tryton/version.py
index 6a4f89588f..e1f76e1aff 100644
--- a/tryton/version.py
+++ b/tryton/version.py
@@ -1,6 +1,6 @@
 #This file is part of Tryton.  The COPYRIGHT file at the top level of
 #this repository contains the full copyright notices and license terms.
 PACKAGE = "tryton"
-VERSION = "2.6.3"
+VERSION = "2.6.4"
 LICENSE = "GPL-3"
 WEBSITE = "http://www.tryton.org/"