diff --git a/README.rst b/README.rst
index 22e8aab..75f2e28 100644
--- a/README.rst
+++ b/README.rst
@@ -14,6 +14,6 @@ Requires
 Changes
 =======
 
-*6.6.0 - 04.04.2023*
+*6.6.1 - 04.04.2023*
 
 - compatibility to Tryton 6.6
diff --git a/tryton.cfg b/tryton.cfg
index 9adad88..265446c 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=6.6.0
+version=6.6.1
 depends:
     edocument_uncefact
     party