diff --git a/kdav.spec b/kdav.spec
index 1a48f8d..d2112e9 100644
--- a/kdav.spec
+++ b/kdav.spec
@@ -1,7 +1,8 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          kdav
-Version:       20.04.3
+Epoch:         1
+Version:       5.73.0
 Release:       1mamba
 Summary:       KDE Frameworks 5 Dav library
 Group:         System/Libraries
@@ -9,13 +10,15 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://www.kde.org
-Source:        https://download.kde.org/stable/release-service/%{version}/src/kdav-%{version}.tar.xz
+Source:        https://download.kde.org/stable/frameworks/%{majver}/kdav-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: ldconfig
 BuildRequires: libgcc
 BuildRequires: libkconfig-devel
 BuildRequires: libkcoreaddons-devel
+BuildRequires: libki18n-devel
 BuildRequires: libkio-devel
 BuildRequires: libkservice-devel
 BuildRequires: libqt5-devel
@@ -75,7 +78,7 @@ exit 0
 %files -n lib%{name} -f %{name}5_qt.lang
 %defattr(-,root,root)
 %{_kde5_libdir}/libKF5DAV.so.*
-%{_datadir}/qlogging-categories5/kdav.categories
+%{_datadir}/qlogging-categories5/kdav.*categories
 %doc COPYING
 
 %files -n lib%{name}-devel
@@ -91,6 +94,9 @@ exit 0
 %{_libdir}/qt5/mkspecs/modules/qt_kdav.pri
 
 %changelog
+* Sat Aug 22 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 5.73.0-1mamba
+- update to 5.73.0
+
 * Fri Jul 10 2020 Automatic Build System <autodist@mambasoft.it> 20.04.3-1mamba
 - automatic version update by autodist