diff --git a/README.md b/README.md
index 6f98be9..b77567e 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # python-expandvars
 
+Expand system variables Unix style.
+
diff --git a/python-expandvars.spec b/python-expandvars.spec
new file mode 100644
index 0000000..20af575
--- /dev/null
+++ b/python-expandvars.spec
@@ -0,0 +1,51 @@
+%define pkgname %(echo %name | cut -d- -f2- | tr - _)
+Name:          python-expandvars
+Version:       0.12.0
+Release:       1mamba
+Summary:       Expand system variables Unix style
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/sayanarijit/expandvars
+Source:        https://pypi.debian.net/expandvars/expandvars-%{version}.tar.gz
+License:       MIT
+## AUTOBUILDREQ-BEGIN
+BuildRequires: libpython311-devel
+## AUTOBUILDREQ-END
+
+%description
+%{summary}.
+
+%if 0%{?with_pyver}
+%pyver_package
+%endif
+
+%prep
+%setup -q -n expandvars-%{version}
+
+%build
+CFLAGS="%{optflags}" %{__python} -m build --no-isolation --wheel
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%{__python} -m installer --destdir=%{buildroot} dist/*.whl
+
+#%if "%{?with_pyver}" != "3"
+## Rename any conflicting file outside of python site packages tree
+#for f in %{_bindir}/pdm; do
+#   mv %{buildroot}${f}{,-%{?pyappend}}
+#done
+#%endif
+
+%files %{?pyappend}
+%defattr(-,root,root)
+%dir %{python_sitelib}/%{pkgname}-%{version}.dist-info
+%{python_sitelib}/%{pkgname}-%{version}.dist-info/*
+%{python3_sitelib}/__pycache__/expandvars.cpython*.pyc
+%{python3_sitelib}/expandvars.py
+%doc LICENSE
+
+%changelog
+* Thu Mar 14 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 0.12.0-1mamba
+- package created using the webbuild interface