diff --git a/README.md b/README.md
index 893d0cc..0efe7d7 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # python-toposort
 
+Implements a topological sort algorithm.
+
diff --git a/python-toposort.spec b/python-toposort.spec
new file mode 100644
index 0000000..a8fc008
--- /dev/null
+++ b/python-toposort.spec
@@ -0,0 +1,54 @@
+Name:          python-toposort
+Version:       1.5
+Release:       1mamba
+Summary:       Implements a topological sort algorithm
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://pypi.org/project/toposort/
+Source:        https://pypi.debian.net/toposort/toposort-%{version}.tar.gz
+License:       Apache License 2.0
+## AUTOBUILDREQ-BEGIN
+## note: run 'autospec -u -a6 python-toposort' to get the list of build requirements.
+## AUTOBUILDREQ-END
+BuildRequires: libpython-devel
+Requires:      python >= %python_version
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+%{summary}.
+
+%if 0%{?with_pyver}
+%pyver_package
+%endif
+
+%prep
+%setup -q -n toposort-%{version}
+
+%build
+CFLAGS="%{optflags}" %{__python} setup.py build
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%{__python} setup.py install \
+   -O1 --skip-build \
+   --root="%{buildroot}" \
+   --install-headers=%{python_inc} \
+   --install-lib=%{python_sitearch} \
+   --record=%{name}.filelist
+
+sed -i "s,.*/man/.*,&.gz," %{name}.filelist
+
+%files %{?pyappend} -f %{name}.filelist
+%defattr(-,root,root)
+## note: this list is just an example; modify as required
+# %{python_sitearch}/%{name}.py*
+# %{python_sitearch}/%{name}.so
+
+## note: add extra documentation (if any)
+# %doc README.txt
+
+%changelog
+* Sun Sep 27 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 1.5-1mamba
+- package created using the webbuild interface