diff --git a/README.md b/README.md
index 66fa850..a41e6bc 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # olm
 
+Implementation of the olm and megolm cryptographic ratchets.
+
diff --git a/olm.spec b/olm.spec
new file mode 100644
index 0000000..b577161
--- /dev/null
+++ b/olm.spec
@@ -0,0 +1,75 @@
+Name:          olm
+Version:       3.2.16
+Release:       1mamba
+Summary:       Implementation of the olm and megolm cryptographic ratchets
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://gitlab.matrix.org/matrix-org/olm
+Source:        https://gitlab.matrix.org/matrix-org/olm.git/%{version}/olm-%{version}.tar.bz2
+License:       Apache License 2.0
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libgcc
+BuildRequires: libstdc++6-devel
+## AUTOBUILDREQ-END
+BuildRequires: cmake
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description
+Implementation of the olm and megolm cryptographic ratchets.
+
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       Implementation of the olm and megolm cryptographic ratchets.
+
+%description -n lib%{name}
+Implementation of the olm and megolm cryptographic ratchets.
+This package contains shared libraries for %{name}.
+
+%package -n lib%{name}-devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description -n lib%{name}-devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+%debug_package
+
+%prep
+%setup -q
+
+%build
+%cmake
+%cmake_build
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%cmake_install
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -n lib%{name} -p /sbin/ldconfig
+%postun -n lib%{name} -p /sbin/ldconfig
+
+%files -n lib%{name}
+%defattr(-,root,root)
+%{_libdir}/libolm.so.*
+%doc LICENSE
+
+%files -n lib%{name}-devel
+%defattr(-,root,root)
+%dir %{_includedir}/olm
+%{_includedir}/olm/*
+%{_libdir}/libolm.so
+%dir %{_libdir}/cmake/Olm
+%{_libdir}/cmake/Olm/Olm*.cmake
+%{_libdir}/pkgconfig/olm.pc
+%doc README.md
+
+%changelog
+* Sat Mar 09 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 3.2.16-1mamba
+- package created using the webbuild interface