diff --git a/README.md b/README.md
index 3dcf6dd..fed9d7c 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # unbound
 
+Unbound is a validating, recursive, and caching DNS resolver.
+
diff --git a/unbound.spec b/unbound.spec
new file mode 100644
index 0000000..2004edc
--- /dev/null
+++ b/unbound.spec
@@ -0,0 +1,119 @@
+%define unbound_gid 65433
+%define unbound_uid 65433
+Name:          unbound
+Version:       1.4.22
+Release:       1mamba
+Summary:       A validating, recursive, and caching DNS resolver
+Group:         Applications/Security
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://unbound.net/
+Source:        http://unbound.net/downloads/unbound-%{version}.tar.gz
+License:       BSD
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libexpat-devel
+BuildRequires: libopenssl-devel
+## AUTOBUILDREQ-END
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+Unbound is a validating, recursive, and caching DNS resolver.
+
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       Shared libraries for %{name}
+
+%description -n lib%{name}
+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
+%configure \
+   --with-conf-file=%{_localstatedir}/%{name}/unbound.conf \
+   --disable-rpath
+
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall
+
+install -d 0700 %{buildroot}%{_localstatedir}/%{name}
+install -D -m 0755 contrib/unbound.init %{buildroot}%{_initrddir}/unbound
+# add symbolic link from /etc/unbound.conf -> /var/unbound/unbound.conf
+ln -s %{_localstatedir}/unbound/unbound.conf %{buildroot}%{_sysconfdir}/unbound.conf 
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%pre
+if [ $1 -ge 1 ]; then
+   groupadd -r unbound -g %{unbound_gid} 2>/dev/null || true
+   useradd -r -g unbound -d /var/unbound -s /sbin/nologin \
+       -c "unbound name daemon" -u %{unbound_uid} unbound 2>/dev/null || true
+fi
+:
+
+%post -n lib%{name} -p /sbin/ldconfig
+%postun -n lib%{name} -p /sbin/ldconfig
+
+%postun
+if [ $1 -eq 0 ]; then
+   userdel unbound || true
+   groupdel unbound || true
+fi
+:
+
+%files
+%defattr(-,root,root)
+%{_sysconfdir}/unbound.conf
+%{_initrddir}/unbound
+%{_sbindir}/unbound
+%{_sbindir}/unbound-anchor
+%{_sbindir}/unbound-checkconf
+%{_sbindir}/unbound-control
+%{_sbindir}/unbound-control-setup
+%{_sbindir}/unbound-host
+%dir %attr(0700, unbound, unbound) %{_localstatedir}/unbound
+%attr(0700, unbound, unbound) %config %{_localstatedir}/unbound/unbound.conf
+%{_mandir}/man1/unbound-host.1*
+%{_mandir}/man5/unbound.conf.5*
+%{_mandir}/man8/unbound-anchor.8*
+%{_mandir}/man8/unbound-checkconf.8*
+%{_mandir}/man8/unbound-control-setup.8*
+%{_mandir}/man8/unbound-control.8*
+%{_mandir}/man8/unbound.8*
+
+%files -n lib%{name}
+%defattr(-,root,root)
+%{_libdir}/libunbound.so.*
+%doc LICENSE
+
+%files -n lib%{name}-devel
+%defattr(-,root,root)
+%{_includedir}/unbound.h
+%{_libdir}/libunbound.a
+%{_libdir}/libunbound.la
+%{_libdir}/libunbound.so
+%{_mandir}/man3/libunbound.3*
+%{_mandir}/man3/ub_*.3*
+%doc README
+
+%changelog
+* Sun Apr 13 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 1.4.22-1mamba
+- package created using the webbuild interface