diff --git a/README.md b/README.md
index fed5124..84b0cd8 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # ocaml-cppo
 
+C-style preprocessor for OCaml.
+
diff --git a/ocaml-cppo.spec b/ocaml-cppo.spec
new file mode 100644
index 0000000..baa4648
--- /dev/null
+++ b/ocaml-cppo.spec
@@ -0,0 +1,53 @@
+Name:          ocaml-cppo
+Version:       1.6.7
+Release:       1mamba
+Summary:       C-style preprocessor for OCaml
+Group:         System/Libraries/OCaml
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/ocaml-community/cppo
+Source:        https://github.com/ocaml-community/cppo.git/v%{version}/cppo-%{version}.tar.bz2
+License:       MIT
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: ldconfig
+BuildRequires: ocaml-runtime
+BuildRequires: ocamlbuild
+## AUTOBUILDREQ-END
+BuildRequires: ocaml
+BuildRequires: dune
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+C-style preprocessor for OCaml.
+
+%debug_package
+
+%prep
+%setup -q -n cppo-%{version}
+
+%build
+%make all
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall
+
+rm -rf %{buildroot}%{_prefix}/doc
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%files
+%defattr(-,root,root)
+%{_bindir}/cppo
+%dir %{_libdir}/ocaml/cppo
+%{_libdir}/ocaml/cppo/*
+%dir %{_libdir}/ocaml/cppo_ocamlbuild
+%{_libdir}/ocaml/cppo_ocamlbuild/*
+%doc README.md
+
+%changelog
+* Sat Jan 23 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.6.7-1mamba
+- package created using the webbuild interface