diff --git a/step.spec b/step.spec
index 4399840..e9ded51 100644
--- a/step.spec
+++ b/step.spec
@@ -1,5 +1,5 @@
 Name:          step
-Version:       22.12.3
+Version:       23.04.0
 Release:       1mamba
 Summary:       Interactive Physical Simulator
 Group:         Graphical Desktop/Applications/Educational
@@ -123,6 +123,9 @@ exit 0
 #ChangeLog README TODO
 
 %changelog
+* Sat Apr 22 2023 Automatic Build System <autodist@mambasoft.it> 23.04.0-1mamba
+- automatic version update by autodist
+
 * Sat Mar 04 2023 Automatic Build System <autodist@mambasoft.it> 22.12.3-1mamba
 - automatic version update by autodist