diff --git a/ktimer.spec b/ktimer.spec
index aa4e61f..12b9868 100644
--- a/ktimer.spec
+++ b/ktimer.spec
@@ -1,5 +1,5 @@
 Name:          ktimer
-Version:       17.08.3
+Version:       17.12.0
 Release:       1mamba
 Summary:       Execute programs after some time
 Group:         Graphical Desktop/Applications/Utilities
@@ -80,6 +80,9 @@ exit 0
 %doc COPYING
 
 %changelog
+* Thu Dec 21 2017 Automatic Build System <autodist@mambasoft.it> 17.12.0-1mamba
+- automatic version update by autodist
+
 * Fri Nov 10 2017 Automatic Build System <autodist@mambasoft.it> 17.08.3-1mamba
 - automatic version update by autodist