diff --git a/kcachegrind.spec b/kcachegrind.spec
index 52d910c..4ed83a3 100644
--- a/kcachegrind.spec
+++ b/kcachegrind.spec
@@ -1,5 +1,5 @@
 Name:          kcachegrind
-Version:       17.08.2
+Version:       17.12.0
 Release:       1mamba
 Summary:       A visualisation tool for the profiling data generated by Cachegrind and Calltree
 Group:         Graphical Desktop/Applications/Development
@@ -99,6 +99,9 @@ exit 0
 %doc AUTHORS COPYING COPYING.DOC
 
 %changelog
+* Wed Dec 20 2017 Automatic Build System <autodist@mambasoft.it> 17.12.0-1mamba
+- automatic version update by autodist
+
 * Thu Oct 12 2017 Automatic Build System <autodist@mambasoft.it> 17.08.2-1mamba
 - automatic version update by autodist