diff --git a/CHANGELOG b/CHANGELOG
index 03960a3164..c4e92ebd7d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+Version 6.6.0 - 2022-10-31
+--------------------------
+* Bug fixes (see mercurial logs for details)
 * Manage dereferenced name in tax identifier clause of party
 * Add optional address to contact mechanism
 
diff --git a/tryton.cfg b/tryton.cfg
index 36cbcfbfb6..4b5306aa69 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=6.5.0
+version=6.6.0
 depends:
     country
     ir