diff --git a/CHANGELOG b/CHANGELOG
index 2c36f07..c109584 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,5 @@
-Version 4.9 - 2018-04-25
-Version 4.9 - 2018-04-25
+Version 4.9.0 - 2018-04-25
+
 Version 4.2.0 - 2016-11-28
 * Bug fixes (see mercurial logs for details)
 
diff --git a/tryton.cfg b/tryton.cfg
index c5b53ae..6de12a7 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=4.9
+version=4.9.0
 depends:
     ir
     account_bank