diff --git a/CHANGELOG b/CHANGELOG
index e20ac9d31f..6d6e742b60 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+Version 6.6.0 - 2022-10-31
+--------------------------
+* Bug fixes (see mercurial logs for details)
 * Replace deprecated fulfillment by fulfillment order
 
 Version 6.4.0 - 2022-05-02
diff --git a/tryton.cfg b/tryton.cfg
index 3f722de955..22d962e55f 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=6.5.0
+version=6.6.0
 depends:
     account_payment
     currency