diff --git a/golang-github-prometheus-client-model.spec b/golang-github-prometheus-client-model.spec
index a9096a8..eb869c7 100644
--- a/golang-github-prometheus-client-model.spec
+++ b/golang-github-prometheus-client-model.spec
@@ -20,7 +20,7 @@ Data model artifacts for prometheus.}
 
 Name:           %{goname}
 Version:        0
-Release:        0.20%{?dist}
+Release:        0.21%{?dist}
 Summary:        Data model artifacts for prometheus
 
 # Upstream license specification: Apache-2.0
@@ -49,6 +49,9 @@ BuildRequires:  golang(github.com/golang/protobuf/proto)
 %gopkgfiles
 
 %changelog
+* Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0-0.21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Fri Jul 05 2019 Elliott Sales de Andrade <quantum.analyst@gmail.com> - 0-0.20.20190622gitfd36f4
 - Add Obsoletes for old name