diff --git a/quazip.spec b/quazip.spec
index 0ecdacb..d1ed940 100644
--- a/quazip.spec
+++ b/quazip.spec
@@ -1,6 +1,6 @@
 Name:          quazip
 Version:       1.3
-Release:       1mamba
+Release:       2mamba
 Summary:       Qt/C++ wrapper over minizip
 Group:         Applications/Archiving
 Vendor:        openmamba
@@ -15,6 +15,8 @@ BuildRequires: libgcc
 BuildRequires: libstdc++6-devel
 BuildRequires: libz-devel
 BuildRequires: qt5-qtbase-devel
+BuildRequires: qt6-qt5compat-devel
+BuildRequires: qt6-qtbase-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
@@ -38,20 +40,44 @@ 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:       Qt/C++ wrapper over minizip for Qt6
+
+%description -n lib%{name}-qt6
+Qt/C++ wrapper over minizip.
+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}-qt6.
+
 %debug_package
 
 %prep
 %setup -q
 
 %build
-%cmake -d build \
+%cmake -d build5 \
    -DQUAZIP_QT_MAJOR_VERSION=5
-   
+
+%make
+cd ..
+
+%cmake -d build6 \
+   -DQUAZIP_QT_MAJOR_VERSION=6
+
 %make
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-%makeinstall -C build
+%makeinstall -C build5
+
+%makeinstall -C build6
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -59,6 +85,9 @@ This package contains libraries and header files for developing applications tha
 %post -n lib%{name} -p /sbin/ldconfig
 %postun -n lib%{name} -p /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)
 %{_libdir}/libquazip1-qt5.so.*
@@ -74,7 +103,25 @@ This package contains libraries and header files for developing applications tha
 %{_libdir}/pkgconfig/quazip1-qt5.pc
 %doc README.md
 
+%files -n lib%{name}-qt6
+%defattr(-,root,root)
+%{_libdir}/libquazip1-qt6.so.*
+%doc COPYING
+
+%files -n lib%{name}-qt6-devel
+%defattr(-,root,root)
+%dir %{_includedir}/QuaZip-Qt6-%{version}
+%dir %{_includedir}/QuaZip-Qt6-%{version}/quazip/
+%{_includedir}/QuaZip-Qt6-%{version}/quazip/*
+%dir %{_libdir}/cmake/QuaZip-Qt6-%{version}
+%{_libdir}/cmake/QuaZip-Qt6-%{version}/QuaZip-Qt6*.cmake
+%{_libdir}/libquazip1-qt6.so
+%{_libdir}/pkgconfig/quazip1-qt6.pc
+
 %changelog
+* Thu Sep 01 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 1.3-2mamba
+- added -qt6 subpackages
+
 * Sun Apr 17 2022 Automatic Build System <autodist@mambasoft.it> 1.3-1mamba
 - automatic version update by autodist