diff --git a/knetwalk.spec b/knetwalk.spec
index 9de626d..0246232 100644
--- a/knetwalk.spec
+++ b/knetwalk.spec
@@ -1,5 +1,5 @@
 Name:          knetwalk
-Version:       17.12.1
+Version:       17.12.3
 Release:       1mamba
 Summary:       Network Construction Game
 Group:         Graphical Desktop/Applications/Games
@@ -85,6 +85,12 @@ exit 0
 %doc AUTHORS COPYING COPYING.DOC
 
 %changelog
+* Thu Mar 08 2018 Automatic Build System <autodist@mambasoft.it> 17.12.3-1mamba
+- automatic version update by autodist
+
+* Fri Feb 09 2018 Automatic Build System <autodist@mambasoft.it> 17.12.2-1mamba
+- automatic version update by autodist
+
 * Thu Jan 11 2018 Automatic Build System <autodist@mambasoft.it> 17.12.1-1mamba
 - automatic version update by autodist