diff --git a/kdiagram.spec b/kdiagram.spec
index 56c1285..1ee5ffd 100644
--- a/kdiagram.spec
+++ b/kdiagram.spec
@@ -1,28 +1,28 @@
 %define majver %(echo %version | cut -d. -f1-2)
 
 Name:          kdiagram
-Version:       2.8.0
+Version:       3.0.1
 Release:       1mamba
 Summary:       KDE Frameworks 5 diagram libraries
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://www.kde.org
+URL:           https://kde.org/
 Source:        https://download.kde.org/stable/kdiagram/%{version}/kdiagram-%{version}.tar.xz
-# Source:        http://download.kde.org/stable/frameworks/%{majver}/...-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: libgcc
-BuildRequires: libqt5-devel
+BuildRequires: libglvnd-devel
 BuildRequires: libstdc++6-devel
+BuildRequires: qt6-qtbase-devel
+BuildRequires: qt6-qtsvg-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 BuildRequires: rpm-macros-kde5
 BuildRequires: extra-cmake-modules
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 KDE Frameworks 5 diagram libraries.
@@ -49,14 +49,15 @@ This package contains libraries and header files for developing applications tha
 %setup -q
 
 %build
-%cmake_kde5 -d build
-%make
+%cmake_kf6
+
+%cmake_build
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-%makeinstall -C build
+%cmake_install
 
-%find_lang %{name}5_qt --with-qt --all-name || touch %{name}5_qt.lang
+%find_lang %{name} --with-qt --all-name || touch %{name}.lang
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -69,28 +70,32 @@ exit 0
 /sbin/ldconfig
 exit 0
 
-%files -n lib%{name} -f %{name}5_qt.lang
+%files -n lib%{name} -f %{name}.lang
 %defattr(-,root,root)
-%{_libdir}/libKChart.so.*
-%{_libdir}/libKGantt.so.*
+%{_libdir}/libKChart6.so.*
+%{_libdir}/libKGantt6.so.*
 
 %files -n lib%{name}-devel
 %defattr(-,root,root)
-%dir %{_includedir}/KChart
-%{_includedir}/KChart/*
-%dir %{_includedir}/KGantt
-%{_includedir}/KGantt/*
-%{_includedir}/*.h
-%dir %{_libdir}/cmake/KChart
-%{_libdir}/cmake/KChart/*.cmake
-%dir %{_libdir}/cmake/KGantt
-%{_libdir}/cmake/KGantt/*.cmake
-%{_libdir}/libKChart.so
-%{_libdir}/libKGantt.so
-%{_kde5_mkspecsdir}/qt_KChart.pri
-%{_kde5_mkspecsdir}/qt_KGantt.pri
+%dir %{_includedir}/KChart6
+%{_includedir}/KChart6/*
+%dir %{_includedir}/KGantt6
+%{_includedir}/KGantt6/*
+%dir %{_libdir}/cmake/KChart6
+%{_libdir}/cmake/KChart6/*.cmake
+%dir %{_libdir}/cmake/KGantt6
+%{_libdir}/cmake/KGantt6/*.cmake
+%{_libdir}/libKChart6.so
+%{_libdir}/libKGantt6.so
+%{_qt6_archdatadir}/mkspecs/modules/qt_KChart6.pri
+%{_qt6_archdatadir}/mkspecs/modules/qt_KGantt6.pri
+%{_qt6_docdir}/KChart6.*
+%{_qt6_docdir}/KGantt6.*
 
 %changelog
+* Sat Jan 27 2024 Automatic Build System <autodist@openmamba.org> 3.0.1-1mamba
+- automatic version update by autodist
+
 * Fri Jan 15 2021 Automatic Build System <autodist@mambasoft.it> 2.8.0-1mamba
 - automatic version update by autodist