diff --git a/kbruch.spec b/kbruch.spec
index 0500639..4e84606 100644
--- a/kbruch.spec
+++ b/kbruch.spec
@@ -1,5 +1,5 @@
 Name:          kbruch
-Version:       21.12.0
+Version:       21.12.1
 Release:       1mamba
 Summary:       Exercise Fractions
 Group:         Graphical Desktop/Applications/Educational
@@ -86,6 +86,9 @@ exit 0
 %doc AUTHORS LICENSES
 
 %changelog
+* Fri Jan 07 2022 Automatic Build System <autodist@mambasoft.it> 21.12.1-1mamba
+- automatic version update by autodist
+
 * Thu Dec 09 2021 Automatic Build System <autodist@mambasoft.it> 21.12.0-1mamba
 - automatic version update by autodist