diff --git a/step.spec b/step.spec
index 52da11b..9f338b2 100644
--- a/step.spec
+++ b/step.spec
@@ -1,5 +1,5 @@
 Name:          step
-Version:       16.08.0
+Version:       16.08.1
 Release:       1mamba
 Summary:       Interactive Physical Simulator
 Group:         Graphical Desktop/Applications/Educational
@@ -101,6 +101,9 @@ exit 0
 #ChangeLog README TODO
 
 %changelog
+* Fri Sep 09 2016 Automatic Build System <autodist@mambasoft.it> 16.08.1-1mamba
+- automatic version update by autodist
+
 * Fri Aug 26 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 16.08.0-1mamba
 - automatic version update by autodist