diff --git a/kdf.spec b/kdf.spec
index 2a11d35..09e19c2 100644
--- a/kdf.spec
+++ b/kdf.spec
@@ -1,5 +1,5 @@
 Name:          kdf
-Version:       17.08.3
+Version:       17.12.0
 Release:       1mamba
 Summary:       A graphical free disk space view
 Group:         Graphical Desktop/Applications/Utilities
@@ -114,6 +114,9 @@ exit 0
 %doc COPYING
 
 %changelog
+* Wed Dec 20 2017 Automatic Build System <autodist@mambasoft.it> 17.12.0-1mamba
+- automatic version update by autodist
+
 * Wed Nov 15 2017 Automatic Build System <autodist@mambasoft.it> 17.08.3-1mamba
 - automatic version update by autodist