diff --git a/rubygem-concurrent-ruby.spec b/rubygem-concurrent-ruby.spec
index a1683ce..c2f3ee5 100644
--- a/rubygem-concurrent-ruby.spec
+++ b/rubygem-concurrent-ruby.spec
@@ -3,7 +3,7 @@
 
 Name: rubygem-%{gem_name}
 Version: 1.0.5
-Release: 1%{?dist}
+Release: 2%{?dist}
 Summary: Modern concurrency tools for Ruby
 Group: Development/Languages
 License: MIT
@@ -94,6 +94,9 @@ popd
 %doc %{gem_instdir}/README.md
 
 %changelog
+* Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.5-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Tue May 09 2017 Vít Ondruch <vondruch@redhat.com> - 1.0.5-1
 - Update to Concurrent Ruby 1.0.5.