diff --git a/step.spec b/step.spec
index 8e6b6d8..c626de9 100644
--- a/step.spec
+++ b/step.spec
@@ -1,5 +1,5 @@
 Name:          step
-Version:       23.08.3
+Version:       23.08.4
 Release:       1mamba
 Summary:       Interactive Physical Simulator
 Group:         Graphical Desktop/Applications/Educational
@@ -123,6 +123,9 @@ exit 0
 #ChangeLog README TODO
 
 %changelog
+* Fri Dec 08 2023 Automatic Build System <autodist@mambasoft.it> 23.08.4-1mamba
+- automatic version update by autodist
+
 * Fri Nov 10 2023 Automatic Build System <autodist@mambasoft.it> 23.08.3-1mamba
 - automatic version update by autodist