diff --git a/rubygem-concurrent-ruby.spec b/rubygem-concurrent-ruby.spec
index 8937f4e..bcee149 100644
--- a/rubygem-concurrent-ruby.spec
+++ b/rubygem-concurrent-ruby.spec
@@ -3,7 +3,7 @@
 
 Name: rubygem-%{gem_name}
 Version: 1.0.5
-Release: 5%{?dist}
+Release: 6%{?dist}
 Summary: Modern concurrency tools for Ruby
 License: MIT
 URL: http://www.concurrent-ruby.com
@@ -92,6 +92,9 @@ popd
 %doc %{gem_instdir}/README.md
 
 %changelog
+* Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.5-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Sat Feb 02 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.5-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild