diff --git a/kmplot.spec b/kmplot.spec
index cdc195a..11ac633 100644
--- a/kmplot.spec
+++ b/kmplot.spec
@@ -1,5 +1,5 @@
 Name:          kmplot
-Version:       21.12.0
+Version:       21.12.1
 Release:       1mamba
 Summary:       Mathematical Function Plotter
 Group:         Graphical Desktop/Applications/Educational
@@ -112,6 +112,9 @@ exit 0
 %doc LICENSES
 
 %changelog
+* Fri Jan 07 2022 Automatic Build System <autodist@mambasoft.it> 21.12.1-1mamba
+- automatic version update by autodist
+
 * Thu Dec 09 2021 Automatic Build System <autodist@mambasoft.it> 21.12.0-1mamba
 - automatic version update by autodist