diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # cli11
 
+CLI11 is a command line parser for C++11 and beyond that provides a rich feature set with a simple and intuitive interface.
+
diff --git a/cli11.spec b/cli11.spec
new file mode 100644
index 0000000..ce3fd11
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+++ b/cli11.spec
@@ -0,0 +1,56 @@
+Name:          cli11
+Version:       2.4.2
+Release:       1mamba
+Summary:       A command line parser for C++11 and beyond that provides a rich feature set with a simple and intuitive interface
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://cliutils.github.io/CLI11/book/
+Source:        https://github.com/CLIUtils/CLI11.git/v%{version}/CLI11-%{version}.tar.bz2
+License:       BSD
+## AUTOBUILDREQ-BEGIN
+## AUTOBUILDREQ-END
+BuildRequires: cmake
+
+%description
+CLI11 is a command line parser for C++11 and beyond that provides a rich feature set with a simple and intuitive interface.
+
+%package -n lib%{name}-devel
+Group:         Development/Libraries
+Summary:       A command line parser for C++11 and beyond that provides a rich feature set with a simple and intuitive interface.
+
+%description -n lib%{name}-devel
+CLI11 is a command line parser for C++11 and beyond that provides a rich feature set with a simple and intuitive interface.
+This package contains libraries and header files for developing applications that use %{name}.
+
+#% debug_package
+
+%prep
+%setup -q -n CLI11-%{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)
+%dir %{_includedir}/CLI
+%{_includedir}/CLI/*.hpp
+%dir %{_includedir}/CLI/impl
+%{_includedir}/CLI/impl/*.hpp
+%dir %{_datadir}/cmake/CLI11
+%{_datadir}/cmake/CLI11/CLI11*.cmake
+%{_datadir}/pkgconfig/CLI11.pc
+%doc LICENSE README.md
+
+%changelog
+* Sat May 04 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 2.4.2-1mamba
+- package created using the webbuild interface