diff --git a/CHANGELOG b/CHANGELOG
index 173a078395..931108f489 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 48f96af066..dba44524df 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1,6 +1,6 @@
-Copyright (C) 2008-2016 Cédric Krier.
+Copyright (C) 2008-2017 Cédric Krier.
 Copyright (C) 2008-2013 Bertrand Chenal.
-Copyright (C) 2008-2016 B2CK SPRL.
+Copyright (C) 2008-2017 B2CK SPRL.
 Copyright (C) 2004-2008 Tiny SPRL.
 
 This program is free software: you can redistribute it and/or modify
diff --git a/tryton.cfg b/tryton.cfg
index f476081f56..5d7c834a20 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=4.3.0
+version=4.4.0
 depends:
     ir
     res