diff --git a/ktnef.spec b/ktnef.spec
index 20db71e..8f7fe82 100644
--- a/ktnef.spec
+++ b/ktnef.spec
@@ -1,7 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          ktnef
-Version:       19.08.3
+Version:       19.12.0
 Release:       1mamba
 Summary:       KDE Frameworks 5 tnef 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/ktnef-%{version}.tar.xz
+Source:        http://download.kde.org/stable/release-service/%{version}/src/ktnef-%{version}.tar.xz
 # Source:        http://download.kde.org/stable/frameworks/%{majver}/...-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
@@ -119,6 +119,9 @@ exit 0
 %{_kde5_mkspecsdir}/qt_KTNef.pri
 
 %changelog
+* Thu Jan 02 2020 Automatic Build System <autodist@mambasoft.it> 19.12.0-1mamba
+- automatic version update by autodist
+
 * Sat Nov 09 2019 Automatic Build System <autodist@mambasoft.it> 19.08.3-1mamba
 - automatic version update by autodist