diff --git a/kruler.spec b/kruler.spec
index 7dbcb6c..8c99843 100644
--- a/kruler.spec
+++ b/kruler.spec
@@ -1,5 +1,5 @@
 Name:          kruler
-Version:       21.12.0
+Version:       21.12.1
 Release:       1mamba
 Summary:       A ruler in inch, centimeter and pixel to check distances on the screen
 Group:         Graphical Desktop/Applications/Graphics
@@ -80,6 +80,9 @@ exit 0
 %doc LICENSES
 
 %changelog
+* Fri Jan 07 2022 Automatic Build System <autodist@mambasoft.it> 21.12.1-1mamba
+- automatic version update by autodist
+
 * Sat Dec 11 2021 Automatic Build System <autodist@mambasoft.it> 21.12.0-1mamba
 - automatic version update by autodist