diff --git a/umbrello.spec b/umbrello.spec
index 8d8f31d..a6080b0 100644
--- a/umbrello.spec
+++ b/umbrello.spec
@@ -1,5 +1,5 @@
 Name:          umbrello
-Version:       18.08.3
+Version:       18.12.0
 Release:       1mamba
 Summary:       UML modelling tool and code generator
 Group:         Graphical Desktop/Applications/Development
@@ -86,6 +86,9 @@ exit 0
 %doc AUTHORS COPYING COPYING.DOC THANKS
 
 %changelog
+* Sun Dec 16 2018 Automatic Build System <autodist@mambasoft.it> 18.12.0-1mamba
+- automatic version update by autodist
+
 * Mon Nov 12 2018 Automatic Build System <autodist@mambasoft.it> 18.08.3-1mamba
 - automatic version update by autodist