diff --git a/knetwalk.spec b/knetwalk.spec
index 01d83f0..1f61766 100644
--- a/knetwalk.spec
+++ b/knetwalk.spec
@@ -1,5 +1,5 @@
 Name:          knetwalk
-Version:       19.12.0
+Version:       19.12.1
 Release:       1mamba
 Summary:       Network Construction Game
 Group:         Graphical Desktop/Applications/Games
@@ -69,6 +69,9 @@ exit 0
 %doc AUTHORS COPYING COPYING.DOC
 
 %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