diff --git a/kblackbox.spec b/kblackbox.spec
index 9cbc294..4bd680a 100644
--- a/kblackbox.spec
+++ b/kblackbox.spec
@@ -1,5 +1,5 @@
 Name:          kblackbox
-Version:       21.12.2
+Version:       21.12.3
 Release:       1mamba
 Summary:       Blackbox Logic Game
 Group:         Graphical Desktop/Applications/Games
@@ -86,6 +86,9 @@ exit 0
 %doc LICENSES
 
 %changelog
+* Fri Mar 04 2022 Automatic Build System <autodist@mambasoft.it> 21.12.3-1mamba
+- automatic version update by autodist
+
 * Fri Feb 04 2022 Automatic Build System <autodist@mambasoft.it> 21.12.2-1mamba
 - automatic version update by autodist