diff --git a/README.rst b/README.rst
index f6d59d2..207238b 100644
--- a/README.rst
+++ b/README.rst
@@ -14,6 +14,10 @@ Requires
 Changes
 =======
 
+*6.0.4 - 05.06.2023*
+
+- code optimized
+
 *6.0.3 - 05.02.2023*
 
 - updt: remove left/right fields
diff --git a/tryton.cfg b/tryton.cfg
index 5186781..706d511 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=6.0.3
+version=6.0.4
 depends:
     cashbook
 xml:
diff --git a/versiondep.txt b/versiondep.txt
index 453e18c..834317e 100644
--- a/versiondep.txt
+++ b/versiondep.txt
@@ -1 +1 @@
-cashbook;6.0.24;6.0.999;mds
+cashbook;6.0.28;6.0.999;mds