diff --git a/kmbox.spec b/kmbox.spec
index 7ebffc8..c0f0606 100644
--- a/kmbox.spec
+++ b/kmbox.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          kmbox
-Version:       21.12.2
+Version:       21.12.3
 Release:       1mamba
 Summary:       KDE Frameworks 5 mailbox library
 Group:         System/Libraries
@@ -87,6 +87,9 @@ exit 0
 %{_kde5_mkspecsdir}/qt_KMbox.pri
 
 %changelog
+* Fri Mar 04 2022 Automatic Build System <autodist@mambasoft.it> 21.12.3-1mamba
+- automatic version update by autodist
+
 * Sat Feb 05 2022 Automatic Build System <autodist@mambasoft.it> 21.12.2-1mamba
 - automatic version update by autodist