diff --git a/rocs.spec b/rocs.spec
index 096d78c..2981e03 100644
--- a/rocs.spec
+++ b/rocs.spec
@@ -1,5 +1,5 @@
 Name:          rocs
-Version:       4.13.0
+Version:       4.13.1
 Release:       1mamba
 Summary:       Graph Theory Tool for Professors and Students
 Group:         Graphical Desktop/Applications/Educational
@@ -113,6 +113,9 @@ exit 0
 %doc NEWS README
 
 %changelog
+* Mon May 19 2014 Automatic Build System <autodist@mambasoft.it> 4.13.1-1mamba
+- automatic version update by autodist
+
 * Thu Apr 17 2014 Automatic Build System <autodist@mambasoft.it> 4.13.0-1mamba
 - automatic version update by autodist