diff --git a/C4.puml b/C4.puml
index 905edc3..ba361ac 100644
--- a/C4.puml
+++ b/C4.puml
@@ -4,7 +4,7 @@
 ' ##################################
 !function C4Version()
   ' 2 spaces and ' are used as unique marker, that the release scripts makes the correct version update
-  !$c4Version  =  "2.8.0beta2"
+  !$c4Version  =  "2.9.0beta1"
   !return $c4Version
 !end function