diff --git a/CHANGELOG b/CHANGELOG
index 7ced214553..abd6758d8b 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+Version 4.4.0 - 2017-05-01
+* Bug fixes (see mercurial logs for details)
+
 Version 4.2.0 - 2016-11-28
 * Bug fixes (see mercurial logs for details)
 
diff --git a/COPYRIGHT b/COPYRIGHT
index 07461e9b49..915036aa49 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1,5 +1,5 @@
-Copyright (C) 2013-2016 Nicolas Évrard.
-Copyright (C) 2013-2016 B2CK SPRL.
+Copyright (C) 2013-2017 Nicolas Évrard.
+Copyright (C) 2013-2017 B2CK SPRL.
 
 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
diff --git a/tryton.cfg b/tryton.cfg
index 6dc9edf17f..f19fc501c0 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=4.3.0
+version=4.4.0
 depends:
     ir
     res