diff --git a/kdsoap.spec b/kdsoap.spec
index a54cde1..5cb5720 100644
--- a/kdsoap.spec
+++ b/kdsoap.spec
@@ -1,13 +1,12 @@
 Name:          kdsoap
 Version:       2.2.0
-Release:       1mamba
+Release:       2mamba
 Summary:       A Qt-based client-side and server-side SOAP component
 Group:         Development/Tools
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://www.kdab.com/development-resources/qt-tools/kd-soap/
-## GITSOURCE https://github.com/KDAB/KDSoap.git kdsoap-1.9.0
 Source:        https://github.com/KDAB/KDSoap.git/kdsoap-%{version}/KDSoap-%{version}.tar.bz2
 License:       GPL, LGPL, AGPL
 ## AUTOBUILDREQ-BEGIN
@@ -15,6 +14,7 @@ BuildRequires: glibc-devel
 BuildRequires: libgcc
 BuildRequires: libstdc++6-devel
 BuildRequires: qt5-qtbase-devel
+BuildRequires: qt6-qtbase-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 
@@ -37,6 +37,21 @@ Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 %description -n lib%{name}-devel
 This package contains libraries and header files for developing applications that use %{name}.
 
+%package -n lib%{name}-qt6
+Group:         System/Libraries
+Summary:       A Qt-based client-side and server-side SOAP component
+
+%description -n lib%{name}-qt6
+A Qt-based client-side and server-side SOAP component.
+This package contains shared libraries for %{name}.
+
+%package -n lib%{name}-qt6-devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      lib%{name}-qt6 = %{?epoch:%epoch:}%{version}-%{release}
+
+%description -n lib%{name}-qt6-devel
+This package contains libraries and header files for developing applications that use %{name}.
 
 %debug_package
 
@@ -47,9 +62,16 @@ This package contains libraries and header files for developing applications tha
 %cmake -d build
 %make
 
+cd ..
+%cmake -d build-qt6 \
+   -DKDSoap_QT6=ON
+
+%make
+
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %makeinstall -C build
+%makeinstall -C build-qt6
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -61,6 +83,7 @@ This package contains libraries and header files for developing applications tha
 %defattr(-,root,root)
 %{_libdir}/libkdsoap-server.so.*
 %{_libdir}/libkdsoap.so.*
+%doc LICENSE.txt
 
 %files -n lib%{name}-devel
 %defattr(-,root,root)
@@ -69,18 +92,43 @@ This package contains libraries and header files for developing applications tha
 %{_includedir}/KDSoapClient/*
 %dir %{_includedir}/KDSoapServer
 %{_includedir}/KDSoapServer/*
-%dir %{_libdir}/cmake/KDSoap
-%{_libdir}/cmake/KDSoap/KDSoap*.cmake
 %{_libdir}/libkdsoap-server.so
 %{_libdir}/libkdsoap.so
-%{_kde5_mkspecsdir}/qt_KDSoapClient.pri
-%{_kde5_mkspecsdir}/qt_KDSoapServer.pri
+%{_kde5_mkspecsdir}/qt_KDSoap*.pri
 %dir %{_datadir}/doc/KDSoap
 %{_datadir}/doc/KDSoap/*
 %{_datadir}/mkspecs/features/kdsoap.prf
+%dir %{_libdir}/cmake/KDSoap
+%{_libdir}/cmake/KDSoap/KDSoap*.cmake
 #%doc README.txt
 
+%files -n lib%{name}-qt6
+%defattr(-,root,root)
+%{_libdir}/libkdsoap-qt6.so.*
+%{_libdir}/libkdsoap-server-qt6.so.*
+%doc LICENSE.txt
+
+%files -n lib%{name}-qt6-devel
+%defattr(-,root,root)
+%{_bindir}/kdwsdl2cpp-qt6
+%dir %{_includedir}/KDSoapClient-Qt6
+%{_includedir}/KDSoapClient-Qt6/*
+%dir %{_includedir}/KDSoapServer-Qt6
+%{_includedir}/KDSoapServer-Qt6/*
+%{_libdir}/libkdsoap-qt6.so
+%{_libdir}/libkdsoap-server-qt6.so
+%{_qt6_archdatadir}/mkspecs/modules/qt_KDSoap*.pri
+%dir %{_libdir}/cmake/KDSoap-qt6
+%{_libdir}/cmake/KDSoap-qt6/KDSoap*.cmake
+%dir %{_docdir}/KDSoap-qt6
+%dir %{_docdir}/KDSoap-qt6/LICENSES
+%{_docdir}/KDSoap-qt6/LICENSES/*
+%{_docdir}/KDSoap-qt6/README.md
+
 %changelog
+* Wed Mar 06 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 2.2.0-2mamba
+- added -qt6 subpackages
+
 * Tue Jan 09 2024 Automatic Build System <autodist@openmamba.org> 2.2.0-1mamba
 - automatic version update by autodist