diff --git a/kcalc.spec b/kcalc.spec
index 05426ed..8761195 100644
--- a/kcalc.spec
+++ b/kcalc.spec
@@ -1,5 +1,5 @@
 Name:          kcalc
-Version:       21.12.0
+Version:       21.12.1
 Release:       1mamba
 Summary:       Scientific calculator
 Group:         Graphical Desktop/Applications/Utilities
@@ -76,6 +76,9 @@ 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