diff --git a/README.md b/README.md
index f084c58..448b012 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # msgpack-cxx
 
+MessagePack is an efficient binary serialization format, which lets you exchange data among multiple languages like JSON, except that it's faster and smaller.
+
diff --git a/msgpack-cxx.spec b/msgpack-cxx.spec
new file mode 100644
index 0000000..6817032
--- /dev/null
+++ b/msgpack-cxx.spec
@@ -0,0 +1,55 @@
+Name:          msgpack-cxx
+Version:       6.1.1
+Release:       1mamba
+Summary:       An efficient C++ JSON library
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/msgpack/msgpack-c
+Source:        https://github.com/msgpack/msgpack-c.git/cpp-%{version}/msgpack-c-%{version}.tar.bz2
+License:       BSL-1.0
+## AUTOBUILDREQ-BEGIN
+## AUTOBUILDREQ-END
+BuildRequires: cmake
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description
+MessagePack is an efficient binary serialization format, which lets you exchange data among multiple languages like JSON, except that it's faster and smaller.
+
+%package -n lib%{name}-devel
+Group:         Development/Libraries
+Summary:       An efficient C++ JSON library
+
+%description -n lib%{name}-devel
+MessagePack is an efficient binary serialization format, which lets you exchange data among multiple languages like JSON, except that it's faster and smaller.
+This package contains header files for developing applications that use %{name}.
+
+#% debug_package
+
+%prep
+%setup -q -n msgpack-c-%{version}
+
+%build
+%cmake
+%cmake_build
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%cmake_install
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%files -n lib%{name}-devel
+%defattr(-,root,root)
+%{_includedir}/msgpack.hpp
+%dir %{_includedir}/msgpack
+%{_includedir}/msgpack/*
+%dir %{_libdir}/cmake/msgpack-cxx
+%{_libdir}/cmake/msgpack-cxx/msgpack-cxx*.cmake
+%doc COPYING README.md
+
+%changelog
+* Thu May 09 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 6.1.1-1mamba
+- package created using the webbuild interface