diff --git a/README.md b/README.md
index e05e640..c04163f 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # qt5-qtserialbus
 
+Qt5 serial bus components.
+
diff --git a/qt5-qtserialbus.spec b/qt5-qtserialbus.spec
new file mode 100644
index 0000000..fa3ec63
--- /dev/null
+++ b/qt5-qtserialbus.spec
@@ -0,0 +1,81 @@
+%define majver %(echo %version | cut -d. -f1-2)
+
+Name:          qt5-qtserialbus
+Version:       5.15.2
+Release:       2mamba
+Summary:       Qt5 serial bus components
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://www.qt.io/
+Source:        https://download.qt.io/official_releases/qt/%{majver}/%{version}/submodules/qtserialbus-everywhere-src-%{version}.tar.xz
+License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libgcc
+BuildRequires: libstdc++6-devel
+BuildRequires: qt5-qtbase-devel
+## AUTOBUILDREQ-END
+Provides:      libqt5-canbus
+Obsoletes:     libqt5-canbus <= 5.15.2-1mamba
+
+%description
+Qt5 serial bus components.
+
+%package devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      pkg-config
+
+%description devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+%debug_package
+
+%prep
+%setup -q -n qtserialbus-everywhere-src-%{version}
+
+%build
+%_qt5_qmake
+
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall INSTALL_ROOT=%{buildroot} STRIP=/bin/true
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -p /sbin/ldconfig
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_libdir}/qt5/bin/canbusutil
+%{_libdir}/libQt5SerialBus.so.*
+%dir %{_libdir}/qt5/plugins/canbus
+%{_libdir}/qt5/plugins/canbus/libqt*.so
+%doc LICENSE.*
+
+%files devel
+%defattr(-,root,root)
+%dir %{_includedir}/qt5/QtSerialBus
+%{_includedir}/qt5/QtSerialBus/*
+%{_libdir}/libQt5SerialBus.la
+%{_libdir}/libQt5SerialBus.prl
+%{_libdir}/libQt5SerialBus.so
+%{_libdir}/qt5/mkspecs/modules/qt_lib_serialbus.pri
+%{_libdir}/qt5/mkspecs/modules/qt_lib_serialbus_private.pri
+%dir %{_libdir}/cmake/Qt5SerialBus
+%{_libdir}/cmake/Qt5SerialBus/Qt5SerialBus*.cmake
+%{_libdir}/pkgconfig/Qt5SerialBus.pc
+
+%changelog
+* Sat Nov 06 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 5.15.2-2mamba
+- bump release
+
+* Sat Nov 06 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 5.15.2-1mamba
+- package created using the webbuild interface