diff --git a/futuresql.spec b/futuresql.spec
index 4f02d30..3299f3c 100644
--- a/futuresql.spec
+++ b/futuresql.spec
@@ -2,9 +2,9 @@
 
 Name:          futuresql
 Version:       0.1.1
-Release:       1mamba
+Release:       2mamba
 Summary:       A non-blocking database framework for Qt
-Group:         Application/Databases
+Group:         Applications/Databases
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
@@ -16,6 +16,7 @@ BuildRequires: glibc-devel
 BuildRequires: libgcc
 BuildRequires: libstdc++6-devel
 BuildRequires: qt5-qtbase-devel
+BuildRequires: qt6-qtbase-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 BuildRequires: rpm-macros-kde5
@@ -41,29 +42,52 @@ 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 non-blocking database framework for Qt
+
+%description -n lib%{name}-qt6
+A non-blocking database framework for Qt.
+This package contains shared libraries for %{name}.
+
+%package -n lib%{name}-qt6-devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}-qt6
+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
 
 %prep
 %setup -q
 
 %build
-%cmake_kde5 -d build
+%cmake -d build \
+    -DQT_MAJOR_VERSION=5
+
+%make
+
+cd ..
+%cmake -d build-qt6 \
+    -DQT_MAJOR_VERSION=6
+
 %make
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %makeinstall -C build
+%makeinstall -C build-qt6
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
-%post -n lib%{name}
-/sbin/ldconfig
-:
+%post -n lib%{name} -p /sbin/ldconfig
+%postun -n lib%{name} -p /sbin/ldconfig
 
-%postun -n lib%{name}
-/sbin/ldconfig
-:
+%post -n lib%{name}-qt6 -p /sbin/ldconfig
+%postun -n lib%{name}-qt6 -p /sbin/ldconfig
 
 %files -n lib%{name}
 %defattr(-,root,root)
@@ -78,6 +102,22 @@ This package contains libraries and header files for developing applications tha
 %dir %{_libdir}/cmake/FutureSQL5
 %{_libdir}/cmake/FutureSQL5/Future*.cmake
 
+%files -n lib%{name}-qt6
+%defattr(-,root,root)
+%{_libdir}/libfuturesql6.so.*
+%doc LICENSES
+
+%files -n lib%{name}-qt6-devel
+%defattr(-,root,root)
+%dir %{_includedir}/FutureSQL6
+%{_includedir}/FutureSQL6/*
+%{_libdir}/libfuturesql6.so
+%dir %{_libdir}/cmake/FutureSQL6
+%{_libdir}/cmake/FutureSQL6/Future*.cmake
+
 %changelog
+* Sun Feb 11 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 0.1.1-2mamba
+- added qt6 subpackages
+
 * Sun Aug 27 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 0.1.1-1mamba
 - package created using the webbuild interface