diff --git a/README.rst b/README.rst
index 9fba9aa..519177d 100644
--- a/README.rst
+++ b/README.rst
@@ -22,6 +22,10 @@ You can define the course sources yourself.
 Changes
 =======
 
+*7.0.26 - 06.12.2023*
+
+- add: columns optional
+
 *7.0.25 - 01.12.2023*
 
 - compatibility to Tryton 7.0
diff --git a/tryton.cfg b/tryton.cfg
index 254eba9..61ca023 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=7.0.25
+version=7.0.26
 depends:
     ir
     res