diff --git a/rocs.spec b/rocs.spec
index caac525..98a25ec 100644
--- a/rocs.spec
+++ b/rocs.spec
@@ -1,5 +1,5 @@
 Name:          rocs
-Version:       21.12.0
+Version:       21.12.1
 Release:       1mamba
 Summary:       Graph Theory Tool for Professors and Students
 Group:         Graphical Desktop/Applications/Educational
@@ -136,6 +136,9 @@ exit 0
 %{_libdir}/librocsgraphtheory.so
 
 %changelog
+* Fri Jan 07 2022 Automatic Build System <autodist@mambasoft.it> 21.12.1-1mamba
+- automatic version update by autodist
+
 * Sat Dec 11 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 21.12.0-1mamba
 - update to 21.12.0