diff --git a/.gitignore b/.gitignore
index e69de29..9f14cb9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+/thread_order-1.1.0.gem
diff --git a/rubygem-thread_order.spec b/rubygem-thread_order.spec
new file mode 100644
index 0000000..f2e5dfe
--- /dev/null
+++ b/rubygem-thread_order.spec
@@ -0,0 +1,88 @@
+%global	gem_name	thread_order
+
+Name:		rubygem-%{gem_name}
+Version:	1.1.0
+Release:	1%{?dist}
+
+Summary:	Test helper for ordering threaded code
+License:	MIT
+URL:		https://github.com/JoshCheek/thread_order
+Source0:	https://rubygems.org/gems/%{gem_name}-%{version}.gem
+
+BuildRequires:	ruby(release)
+BuildRequires:	rubygems-devel
+BuildRequires:	rubygem(rspec) >= 3
+BuildArch:	noarch
+
+%description
+Test helper for ordering threaded 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}/
+
+pushd %{buildroot}
+rm -f .%{gem_cache}
+
+pushd .%{gem_instdir}
+rm -rf \
+	.gitignore .travis.yml \
+	Gemfile \
+	spec/ \
+	%{gem_name}.gemspec \
+	%{nil}
+
+popd
+popd
+
+%check
+# The following test does not pass with using gem
+FAILFILE=()
+FAILTEST=()
+FAILFILE+=("spec/thread_order_spec.rb")
+FAILTEST+=("is implemented without depending on the stdlib")
+
+pushd .%{gem_instdir}
+for ((i = 0; i < ${#FAILFILE[@]}; i++)) {
+	sed -i \
+		-e "\@${FAILTEST[$i]}@s|do$|, :broken => true do|" \
+		${FAILFILE[$i]}
+}
+
+rspec spec/ || \
+	rspec spec/ --tag ~broken
+popd
+
+%files
+%dir	%{gem_instdir}
+%license	%{gem_instdir}/License.txt
+%doc	%{gem_instdir}/Readme.md
+
+%{gem_libdir}
+%{gem_spec}
+
+%files doc
+%doc	%{gem_docdir}
+
+%changelog
+* Sun Aug 09 2015 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.1.0-1
+- Initial package
diff --git a/sources b/sources
index e69de29..47d2404 100644
--- a/sources
+++ b/sources
@@ -0,0 +1 @@
+80b8b69edb211e97e30dc7334e37a593  thread_order-1.1.0.gem