diff --git a/CHANGELOG b/CHANGELOG
index 635655be27..173a078395 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 3-letters and numeric code
diff --git a/tryton.cfg b/tryton.cfg
index d158df9f2c..e13196b8b9 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=4.1.0
+version=4.2.0
 depends:
     ir
     res