diff --git a/kmix-legacy.spec b/kmix-legacy.spec
index d7b6d44..ffab940 100644
--- a/kmix-legacy.spec
+++ b/kmix-legacy.spec
@@ -1,5 +1,5 @@
 Name:          kmix-legacy
-Version:       21.08.3
+Version:       21.12.0
 Release:       1mamba
 Summary:       The KDE audio mixer
 Group:         Graphical Desktop/Applications/Multimedia
@@ -74,6 +74,9 @@ KDE audio mixer.
 %doc AUTHORS COPYING COPYING.DOC COPYING.LIB
 
 %changelog
+* Mon Dec 13 2021 Automatic Build System <autodist@mambasoft.it> 21.12.0-1mamba
+- automatic version update by autodist
+
 * Fri Nov 05 2021 Automatic Build System <autodist@mambasoft.it> 21.08.3-1mamba
 - automatic version update by autodist