diff --git a/umbrello.spec b/umbrello.spec
index 602c834..9323c12 100644
--- a/umbrello.spec
+++ b/umbrello.spec
@@ -1,5 +1,5 @@
 Name:          umbrello
-Version:       17.12.1
+Version:       17.12.3
 Release:       1mamba
 Summary:       UML modelling tool and code generator
 Group:         Graphical Desktop/Applications/Development
@@ -86,6 +86,12 @@ exit 0
 %doc AUTHORS COPYING COPYING.DOC THANKS
 
 %changelog
+* Fri Mar 09 2018 Automatic Build System <autodist@mambasoft.it> 17.12.3-1mamba
+- automatic version update by autodist
+
+* Sat Feb 10 2018 Automatic Build System <autodist@mambasoft.it> 17.12.2-1mamba
+- automatic version update by autodist
+
 * Fri Jan 12 2018 Automatic Build System <autodist@mambasoft.it> 17.12.1-1mamba
 - automatic version update by autodist