diff --git a/.gitignore b/.gitignore
index e69de29..4e52299 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+/contracts-0.14.0.gem
diff --git a/rubygem-contracts.spec b/rubygem-contracts.spec
new file mode 100644
index 0000000..16cd900
--- /dev/null
+++ b/rubygem-contracts.spec
@@ -0,0 +1,87 @@
+%global	gem_name	contracts
+
+Name:		rubygem-%{gem_name}
+Version:	0.14.0
+Release:	2%{?dist}
+
+Summary:	Contracts for Ruby
+License:	BSD
+URL:		http://egonschiele.github.io/contracts.ruby/
+Source0:	https://rubygems.org/gems/%{gem_name}-%{version}.gem
+
+BuildRequires:	ruby(release)
+BuildRequires:	rubygems-devel
+BuildRequires:	ruby
+BuildRequires:	rubygem(rspec) >= 3
+BuildArch:		noarch
+
+%description
+This library provides contracts for Ruby. Contracts let you clearly express
+how your code behaves, and free you from writing tons of boilerplate,
+defensive code.
+
+%package	doc
+Summary:	Documentation for %{name}
+Group:	Documentation
+Requires:	%{name} = %{version}-%{release}
+BuildArch:	noarch
+
+%description doc
+Documentation for %{name}.
+
+%prep
+gem unpack %{SOURCE0}
+%setup -q -D -T -n  %{gem_name}-%{version}
+
+gem spec %{SOURCE0} -l --ruby > %{gem_name}.gemspec
+
+%build
+gem build %{gem_name}.gemspec
+%gem_install
+
+%install
+mkdir -p %{buildroot}%{gem_dir}
+cp -a .%{gem_dir}/* \
+	%{buildroot}%{gem_dir}/
+
+rm -f %{buildroot}%{gem_cache}
+pushd %{buildroot}%{gem_instdir}
+rm -rf \
+	.[^.]* \
+	Gemfile \
+	Rakefile \
+	*gemspec \
+	*yml \
+	features/ \
+	script/ \
+	spec/ \
+	%{nil}
+
+%check
+pushd .%{gem_instdir}
+rspec spec/
+popd
+
+%files
+%dir	%{gem_instdir}
+%license	%{gem_instdir}/LICENSE
+%doc		%{gem_instdir}/CHANGELOG.markdown
+%doc		%{gem_instdir}/README.md
+%doc		%{gem_instdir}/TODO.markdown
+%doc		%{gem_instdir}/TUTORIAL.md
+
+%{gem_libdir}
+%{gem_spec}
+
+%files doc
+%doc %{gem_docdir}
+%{gem_instdir}/features/
+# Keep this
+%{gem_instdir}/benchmarks/
+
+%changelog
+* Sat Sep 10 2016 Mamoru TASAKA <mtasaka@fedoraproject.org> - 0.14.0-2
+- Remove features/ directory from packaging
+
+* Thu Aug 18 2016 Mamoru TASAKA <mtasaka@fedoraproject.org> - 0.14.0-1
+- Initial package
diff --git a/sources b/sources
index e69de29..7f935ce 100644
--- a/sources
+++ b/sources
@@ -0,0 +1 @@
+777951bee79388afa0ed826e063c8886  contracts-0.14.0.gem