diff --git a/step.spec b/step.spec
index 5e0d59a..0de646c 100644
--- a/step.spec
+++ b/step.spec
@@ -1,5 +1,5 @@
 Name:          step
-Version:       16.04.2
+Version:       16.04.3
 Release:       1mamba
 Summary:       Interactive Physical Simulator
 Group:         Graphical Desktop/Applications/Educational
@@ -101,6 +101,9 @@ exit 0
 #ChangeLog README TODO
 
 %changelog
+* Wed Jul 13 2016 Automatic Build System <autodist@mambasoft.it> 16.04.3-1mamba
+- automatic version update by autodist
+
 * Wed Jun 15 2016 Automatic Build System <autodist@mambasoft.it> 16.04.2-1mamba
 - automatic version update by autodist