diff --git a/metis.spec b/metis.spec
index 7bf4ebc..0d1044e 100644
--- a/metis.spec
+++ b/metis.spec
@@ -8,7 +8,7 @@
 
 Name:    metis
 Version: 5.1.0
-Release: 20%{?dist}
+Release: 21%{?dist}
 Summary: Serial Graph Partitioning and Fill-reducing Matrix Ordering
 License: ASL 2.0 and BSD and LGPLv2+
 URL:     http://glaros.dtc.umn.edu/gkhome/views/%{name}
@@ -267,6 +267,9 @@ popd
 %endif
 
 %changelog
+* Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 5.1.0-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Fri Feb 01 2019 Fedora Release Engineering <releng@fedoraproject.org> - 5.1.0-20
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild