diff --git a/rocs.spec b/rocs.spec
index 9c6e9c0..37f36fd 100644
--- a/rocs.spec
+++ b/rocs.spec
@@ -1,5 +1,5 @@
 Name:          rocs
-Version:       19.12.0
+Version:       19.12.1
 Release:       1mamba
 Summary:       Graph Theory Tool for Professors and Students
 Group:         Graphical Desktop/Applications/Educational
@@ -123,6 +123,9 @@ exit 0
 %{_libdir}/librocsgraphtheory.so
 
 %changelog
+* Fri Jan 10 2020 Automatic Build System <autodist@mambasoft.it> 19.12.1-1mamba
+- automatic version update by autodist
+
 * Tue Dec 31 2019 Automatic Build System <autodist@mambasoft.it> 19.12.0-1mamba
 - automatic version update by autodist