diff --git a/kmbox.spec b/kmbox.spec
index 27ceb8e..223acf2 100644
--- a/kmbox.spec
+++ b/kmbox.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          kmbox
-Version:       19.08.3
+Version:       19.12.0
 Release:       1mamba
 Summary:       KDE Frameworks 5 mailbox library
 Group:         System/Libraries
@@ -9,7 +9,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://www.kde.org
-Source:        http://download.kde.org/stable/applications/%{version}/src/kmbox-%{version}.tar.xz
+Source:        http://download.kde.org/stable/release-service/%{version}/src/kmbox-%{version}.tar.xz
 # Source:        http://download.kde.org/stable/frameworks/%{majver}/...-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
@@ -88,6 +88,9 @@ exit 0
 %{_libdir}/qt5/mkspecs/modules/qt_Mbox.pri
 
 %changelog
+* Tue Dec 31 2019 Automatic Build System <autodist@mambasoft.it> 19.12.0-1mamba
+- automatic version update by autodist
+
 * Fri Nov 08 2019 Automatic Build System <autodist@mambasoft.it> 19.08.3-1mamba
 - automatic version update by autodist