diff --git a/concurrent-ruby-1.0.5-fix-inspect-output.patch b/concurrent-ruby-1.0.5-fix-inspect-output.patch
new file mode 100644
index 0000000..b8e1b84
--- /dev/null
+++ b/concurrent-ruby-1.0.5-fix-inspect-output.patch
@@ -0,0 +1,18 @@
+diff --git a/lib/concurrent/map.rb b/lib/concurrent/map.rb
+index f3aa55d5..34696efc 100644
+--- a/lib/concurrent/map.rb
++++ b/lib/concurrent/map.rb
+@@ -210,12 +210,8 @@ module Concurrent
+     undef :freeze
+ 
+     # @!visibility private
+-    DEFAULT_OBJ_ID_STR_WIDTH = 0.size == 4 ? 7 : 14 # we want to look "native", 7 for 32-bit, 14 for 64-bit
+-    # override default #inspect() method: firstly, we don't want to be spilling our guts (i-vars), secondly, MRI backend's
+-    # #inspect() call on its @backend i-var will bump @backend's iter level while possibly yielding GVL
+     def inspect
+-      id_str = (object_id << 1).to_s(16).rjust(DEFAULT_OBJ_ID_STR_WIDTH, '0')
+-      "#<#{self.class.name}:0x#{id_str} entries=#{size} default_proc=#{@default_proc.inspect}>"
++      format '%s entries=%d default_proc=%s>', to_s[0..-2], size.to_s, @default_proc.inspect
+     end
+ 
+     private
diff --git a/concurrent-ruby-1.0.5-specs.tar.gz b/concurrent-ruby-1.0.5-specs.tar.gz
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index 0000000..73d788e
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diff --git a/concurrent-ruby-1.0.5.gem b/concurrent-ruby-1.0.5.gem
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index 0000000..4119d3a
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diff --git a/rubygem-concurrent-ruby.spec b/rubygem-concurrent-ruby.spec
new file mode 100644
index 0000000..124e072
--- /dev/null
+++ b/rubygem-concurrent-ruby.spec
@@ -0,0 +1,68 @@
+%global gem_name concurrent-ruby
+Name:                rubygem-%{gem_name}
+Version:             1.0.5
+Release:             1
+Summary:             Modern concurrency tools for Ruby
+License:             MIT
+URL:                 http://www.concurrent-ruby.com
+Source0:             https://rubygems.org/gems/%{gem_name}-%{version}.gem
+Source1:             https://github.com/ruby-concurrency/concurrent-ruby/archive/v1.0.5.tar.gz
+# Avoid sporadic test failures due to wrong object_id formatting.
+# https://github.com/ruby-concurrency/concurrent-ruby/pull/651
+Patch1:              concurrent-ruby-1.0.5-fix-inspect-output.patch
+BuildRequires:       ruby(release) rubygems-devel ruby >= 1.9.3 rubygem(rspec) rubygem(timecop)
+BuildArch:           noarch
+%description
+Modern concurrency tools including agents, futures, promises, thread pools,
+actors, supervisors, and more.
+Inspired by Erlang, Clojure, Go, JavaScript, actors, and classic concurrency
+patterns.
+
+%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
+%patch1 -p1
+
+%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}
+tar xzf %{SOURCE1}
+ln -s v1.0.5/spec spec
+sed -i '/require.*concurrent-edge/ s/^/#/' spec/spec_helper.rb
+sed -i '/allow_c_extensions?/,/^      end/ s/^/#/' spec/concurrent/atomic/atomic_reference_spec.rb
+rspec -rspec_helper \
+  --exclude-pattern 'spec/concurrent/{actor_spec.rb,channel_spec.rb,lazy_register_spec.rb,channel/**/*,atomic/atomic_markable_reference_spec.rb,edge/**/*}' \
+  spec
+popd
+
+%files
+%dir %{gem_instdir}
+%license %{gem_instdir}/LICENSE.txt
+%{gem_libdir}
+%exclude %{gem_cache}
+%{gem_spec}
+
+%files doc
+%doc %{gem_docdir}
+%doc %{gem_instdir}/CHANGELOG.md
+%doc %{gem_instdir}/README.md
+
+%changelog
+* Tue Aug 18 2020 wanglin <wanglin175@huawei.com> - 1.0.5-1
+- package init
diff --git a/rubygem-concurrent-ruby.yaml b/rubygem-concurrent-ruby.yaml
new file mode 100644
index 0000000..f86f28a
--- /dev/null
+++ b/rubygem-concurrent-ruby.yaml
@@ -0,0 +1,4 @@
+version_control: github
+src_repo: ruby-concurrency/concurrent-ruby
+tag_prefix: "^v"
+separator: "."
diff --git a/v1.0.5.tar.gz b/v1.0.5.tar.gz
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