diff --git a/README.md b/README.md
index 9c7eea0..377803e 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # unsf
 
+UnSF is a tool to convert SoundFont (sf2) files into GUS patches.
+
diff --git a/unsf.spec b/unsf.spec
new file mode 100644
index 0000000..5dd5169
--- /dev/null
+++ b/unsf.spec
@@ -0,0 +1,50 @@
+%define gitcommit %(echo %version | cut -d+ -f2 | cut -d. -f2)
+Name:          unsf
+Version:       1.0+20201107git.c5e5a8c
+Release:       1mamba
+Summary:       A tool to convert SoundFont (sf2) files into GUS patches.
+Group:         Applications/Multimedia
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/psi29a/unsf
+Source:        https://github.com/psi29a/unsf.git/master@%{gitcommit}/unsf-%{version}.tar.bz2
+License:       Common Public Attribution License 1.0
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+## AUTOBUILDREQ-END
+Provides:      soundfont-utils
+Obsoletes:     soundfont-utils <= 0.4-2mamba
+Obsoletes:     gt <= 0.4-2mamba
+
+%description
+UnSF is a tool to convert SoundFont (sf2) files into GUS patches.
+
+%debug_package
+
+%prep
+%setup -q
+
+%build
+%make -f Makefile.linux
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+install -D -m0755 unsf %{buildroot}%{_bindir}/unsf
+install -D -m0755 unsf.1 %{buildroot}%{_mandir}/man1/unsf.1
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%files
+%defattr(-,root,root)
+%{_bindir}/unsf
+%{_mandir}/man1/unsf.1*
+%doc LICENSE
+
+%changelog
+* Sat Aug 03 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0+20201107git.c5e5a8c-1mamba
+- update to 1.0+20201107git.c5e5a8c
+
+* Sat Aug 03 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0-1mamba
+- package created using the webbuild interface