diff --git a/README.rst b/README.rst
index c75e67c..3485f19 100644
--- a/README.rst
+++ b/README.rst
@@ -14,6 +14,10 @@ Requires
 Changes
 =======
 
+*6.0.21 - 08.01.2023*
+
+- add: caching for percentual changes
+
 *6.0.20 - 07.01.2023*
 
 - updt: asset - percent-values optimize for speed
diff --git a/tryton.cfg b/tryton.cfg
index e3a8ca0..eeddf48 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=6.0.20
+version=6.0.21
 depends:
     ir
     res