diff --git a/dragon.spec b/dragon.spec
index 88afd36..a60441d 100644
--- a/dragon.spec
+++ b/dragon.spec
@@ -1,5 +1,5 @@
 Name:          dragon
-Version:       17.08.3
+Version:       17.12.0
 Release:       1mamba
 Summary:       A simple video player for KDE 4
 Group:         Graphical Desktop/Applications/Multimedia
@@ -162,6 +162,9 @@ A simple video player for KDE 4.
 %doc COPYING COPYING.DOC
 
 %changelog
+* Wed Dec 20 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