diff --git a/umbrello.spec b/umbrello.spec
index c081455..71fdb40 100644
--- a/umbrello.spec
+++ b/umbrello.spec
@@ -1,5 +1,5 @@
 Name:          umbrello
-Version:       21.12.0
+Version:       21.12.1
 Release:       1mamba
 Summary:       UML modelling tool and code generator
 Group:         Graphical Desktop/Applications/Development
@@ -113,6 +113,9 @@ exit 0
 %doc AUTHORS COPYING COPYING.DOC THANKS
 
 %changelog
+* Fri Jan 07 2022 Automatic Build System <autodist@mambasoft.it> 21.12.1-1mamba
+- automatic version update by autodist
+
 * Sun Dec 12 2021 Automatic Build System <autodist@mambasoft.it> 21.12.0-1mamba
 - automatic version update by autodist