diff --git a/cantor.spec b/cantor.spec
index c2b0b9a..9b9652b 100644
--- a/cantor.spec
+++ b/cantor.spec
@@ -1,5 +1,5 @@
 Name:          cantor
-Version:       19.12.0
+Version:       19.12.1
 Release:       1mamba
 Summary:       KDE Frontend to Mathematical Software
 Group:         Graphical Desktop/Applications/Educational
@@ -161,6 +161,9 @@ exit 0
 %{_libdir}/cmake/Cantor/Cantor*.cmake
 
 %changelog
+* Thu Jan 09 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