diff --git a/CHANGELOG b/CHANGELOG
index 68cbe07b9e..01bf130fdf 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+Version 4.2.0 - 2016-11-28
+* Bug fixes (see mercurial logs for details)
+
 Version 4.0.0 - 2016-05-02
 * Bug fixes (see mercurial logs for details)
 * Add Python3 support
diff --git a/COPYRIGHT b/COPYRIGHT
index fdc0ecb750..8f107e8bf4 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1,4 +1,4 @@
-Copyright (C) 2014-2015 Nicolas Évrard.
+Copyright (C) 2014-2016 Nicolas Évrard.
 Copyright (C) 2014-2016 B2CK SPRL.
 
 This program is free software: you can redistribute it and/or modify
diff --git a/tryton.cfg b/tryton.cfg
index 2f93ef1d91..6397a8d895 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=4.1.0
+version=4.2.0
 depends:
     ir
     res