diff --git a/kmbox.spec b/kmbox.spec
index 81f616a..e0f795a 100644
--- a/kmbox.spec
+++ b/kmbox.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          kmbox
-Version:       19.12.2
+Version:       19.12.3
 Release:       1mamba
 Summary:       KDE Frameworks 5 mailbox library
 Group:         System/Libraries
@@ -88,6 +88,9 @@ exit 0
 %{_libdir}/qt5/mkspecs/modules/qt_Mbox.pri
 
 %changelog
+* Sat Mar 07 2020 Automatic Build System <autodist@mambasoft.it> 19.12.3-1mamba
+- automatic version update by autodist
+
 * Fri Feb 07 2020 Automatic Build System <autodist@mambasoft.it> 19.12.2-1mamba
 - automatic version update by autodist