diff --git a/README.md b/README.md
index e993bb1..514916f 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # libfastjson
 
+A small library with essential json handling functions very fast in JSON processing.
+
diff --git a/libfastjson.spec b/libfastjson.spec
new file mode 100644
index 0000000..d806c7b
--- /dev/null
+++ b/libfastjson.spec
@@ -0,0 +1,66 @@
+Name:          libfastjson
+Version:       0.99.9
+Release:       1mamba
+Summary:       A small library with essential json handling functions very fast in JSON processing
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/rsyslog/libfastjson
+## GITSOURCE https://github.com/rsyslog/libfastjson.git v0.99.9
+Source:        https://github.com/rsyslog/libfastjson.git/v%{version}/libfastjson-%{version}.tar.bz2
+License:       MIT
+## AUTOBUILDREQ-BEGIN
+## note: run 'autospec -u -a6 libfastjson' to get the list of build requirements.
+## AUTOBUILDREQ-END
+
+%description
+A small library with essential json handling functions very fast in JSON processing.
+
+%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
+./autogen.sh
+
+%build
+%configure
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -p /sbin/ldconfig
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_libdir}/libfastjson.so.*
+%doc AUTHORS COPYING
+
+%files devel
+%defattr(-,root,root)
+%dir %{_includedir}/libfastjson
+%{_includedir}/libfastjson/*.h
+%{_libdir}/libfastjson.a
+%{_libdir}/libfastjson.la
+%{_libdir}/libfastjson.so
+%{_libdir}/pkgconfig/libfastjson.pc
+%doc ChangeLog README.html README.md
+
+%changelog
+* Mon Mar 22 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.99.9-1mamba
+- package created using the webbuild interface