diff --git a/rails-html-sanitizer-1.0.4.gem b/rails-html-sanitizer-1.0.4.gem
new file mode 100644
index 0000000..6735dbf
Binary files /dev/null and b/rails-html-sanitizer-1.0.4.gem differ
diff --git a/rubygem-rails-html-sanitizer.spec b/rubygem-rails-html-sanitizer.spec
new file mode 100644
index 0000000..1c9cb3c
--- /dev/null
+++ b/rubygem-rails-html-sanitizer.spec
@@ -0,0 +1,56 @@
+%global gem_name rails-html-sanitizer
+Name:                rubygem-%{gem_name}
+Version:             1.0.4
+Release:             1
+Summary:             This gem is responsible to sanitize HTML fragments in Rails applications
+License:             MIT
+URL:                 https://github.com/rails/rails-html-sanitizer
+Source0:             https://rubygems.org/gems/%{gem_name}-%{version}.gem
+BuildRequires:       ruby(release) rubygems-devel ruby rubygem(loofah) rubygem(minitest)
+BuildRequires:       rubygem(rails-dom-testing)
+BuildArch:           noarch
+%description
+HTML sanitization for Rails applications.
+
+%package doc
+Summary:             Documentation for %{name}
+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}/
+
+%check
+pushd .%{gem_instdir}
+ruby -Ilib -e 'Dir.glob "./test/**/*_test.rb", &method(:require)'
+popd
+
+%files
+%dir %{gem_instdir}
+%license %{gem_instdir}/MIT-LICENSE
+%{gem_libdir}
+%exclude %{gem_cache}
+%{gem_spec}
+
+%files doc
+%doc %{gem_docdir}
+%doc %{gem_instdir}/CHANGELOG.md
+%doc %{gem_instdir}/README.md
+%{gem_instdir}/test
+
+%changelog
+* Tue Aug 25 2020 huangyangke <huangyangke@huawei.com> - 1.0.4-1
+- package init
diff --git a/rubygem-rails-html-sanitizer.yaml b/rubygem-rails-html-sanitizer.yaml
new file mode 100644
index 0000000..9b7d015
--- /dev/null
+++ b/rubygem-rails-html-sanitizer.yaml
@@ -0,0 +1,4 @@
+version_control: github
+src_repo: rails/rails-html-sanitizer
+tag_prefix: "^v"
+separator: "."