diff --git a/SPECS/mythes-nl.spec b/SPECS/mythes-nl.spec
new file mode 100644
index 0000000..e41d874
--- /dev/null
+++ b/SPECS/mythes-nl.spec
@@ -0,0 +1,138 @@
+Name: mythes-nl
+Summary: Dutch thesaurus
+%global upstreamid 20130131
+Version: 0.%{upstreamid}
+Release: 8%{?dist}
+Source: http://data.opentaal.org/opentaalbank/thesaurus/download/thes_nl.oxt
+URL: http://data.opentaal.org/opentaalbank/thesaurus
+License: BSD or CC-BY
+BuildArch: noarch
+Requires: mythes
+Supplements: (mythes and langpacks-nl)
+
+%description
+Dutch thesaurus.
+
+%prep
+%setup -q -c
+
+%build
+for i in README_th_nl.txt; do
+  if ! iconv -f utf-8 -t utf-8 -o /dev/null $i > /dev/null 2>&1; then
+    iconv -f ISO-8859-1 -t UTF-8 $i > $i.new
+    touch -r $i $i.new
+    mv -f $i.new $i
+  fi
+  tr -d '\r' < $i > $i.new
+  touch -r $i $i.new
+  mv -f $i.new $i
+done
+
+%install
+mkdir -p $RPM_BUILD_ROOT/%{_datadir}/mythes
+cp -p th_nl_v2.dat $RPM_BUILD_ROOT/%{_datadir}/mythes/th_nl_NL_v2.dat
+cp -p th_nl_v2.idx $RPM_BUILD_ROOT/%{_datadir}/mythes/th_nl_NL_v2.idx
+
+pushd $RPM_BUILD_ROOT/%{_datadir}/mythes/
+nl_NL_aliases="nl_AW nl_BE"
+for lang in $nl_NL_aliases; do
+        ln -s th_nl_NL_v2.dat "th_"$lang"_v2.dat"
+        ln -s th_nl_NL_v2.idx "th_"$lang"_v2.idx"
+done
+
+
+%files
+%doc README_th_nl.txt
+%{_datadir}/mythes/*
+
+%changelog
+* Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.20130131-8
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
+* Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.20130131-7
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
+
+* Fri Feb 19 2016 Parag Nemade <pnemade AT redhat DOT com> - 0.20130131-6
+- Add Supplements: tag for langpacks naming guidelines
+- Clean the specfile to follow current packaging guidelines
+
+* Thu Feb 04 2016 Fedora Release Engineering <releng@fedoraproject.org> - 0.20130131-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
+
+* Wed Jun 17 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.20130131-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
+
+* Sat Jun 07 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.20130131-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
+
+* Sat Aug 03 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.20130131-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
+
+* Thu Jan 31 2013 Caolán McNamara <caolanm@redhat.com> - 0.20130131-1
+- Resolves: rhbz#905991 latest version
+
+* Wed Sep 12 2012 Caolán McNamara <caolanm@redhat.com> - 0.20120912-1
+- latest version
+
+* Fri Jul 20 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.20120613-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild
+
+* Wed Jun 13 2012 Caolán McNamara <caolanm@redhat.com> - 0.20120613-1
+- latest version
+
+* Fri Apr 13 2012 Caolán McNamara <caolanm@redhat.com> - 0.20120413-1
+- latest version
+
+* Fri Jan 13 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.20111017-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild
+
+* Mon Oct 17 2011 Caolán McNamara <caolanm@redhat.com> - 0.20111017-1
+- latest version
+
+* Mon Aug 08 2011 Caolán McNamara <caolanm@redhat.com> - 0.20110808-1
+- latest version
+
+* Thu Jun 09 2011 Caolán McNamara <caolanm@redhat.com> - 0.20110609-1
+- latest version
+
+* Fri Mar 18 2011 Caolán McNamara <caolanm@redhat.com> - 0.20110318-1
+- latest version
+
+* Tue Feb 08 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.20101221-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild
+
+* Tue Dec 21 2010 Caolán McNamara <caolanm@redhat.com> - 0.20101221-1
+- latest version
+
+* Wed Nov 10 2010 Caolán McNamara <caolanm@redhat.com> - 0.20101110-1
+- latest version
+
+* Fri Oct 01 2010 Caolán McNamara <caolanm@redhat.com> - 0.20100930-1
+- latest version
+
+* Sun Apr 04 2010 Caolán McNamara <caolanm@redhat.com> - 0.20090731-2
+- mythes now owns /usr/share/mythes
+
+* Fri Jan 22 2010 Caolán McNamara <caolanm@redhat.com> - 0.20090731-1
+- latest version
+
+* Tue Jan 05 2010 Caolán McNamara <caolanm@redhat.com> - 0.20090708-4
+- Wrong license
+
+* Sat Jul 25 2009 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.20090708-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_12_Mass_Rebuild
+
+* Sat Jul 11 2009 Caolán McNamara <caolanm@redhat.com> - 0.20090708-2
+- tidy spec
+
+* Wed Jul 08 2009 Caolán McNamara <caolanm@redhat.com> - 0.20090708-1
+- latest version
+
+* Fri Jun 12 2009 Caolán McNamara <caolanm@redhat.com> - 0.20090608-2
+- extend coverage
+
+* Mon Jun 08 2009 Caolán McNamara <caolanm@redhat.com> - 0.20090608-1
+- latest version
+
+* Wed Mar 25 2009 Caolán McNamara <caolanm@redhat.com> - 0.20090325-1
+- initial version