diff --git a/README.rst b/README.rst
index 53341d7..aa1c840 100644
--- a/README.rst
+++ b/README.rst
@@ -153,6 +153,10 @@ currency are converted  into the display currency of the parent cash book.
 Changes
 =======
 
+*6.8.30 - 25.07.2023*
+
+- updt: optimize code, add tests
+
 *6.8.29 - 24.07.2023*
 
 - fix: type of indexes
diff --git a/tryton.cfg b/tryton.cfg
index f020b81..2c2d189 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=6.8.29
+version=6.8.30
 depends:
     res
     currency