diff --git a/accrete.spec b/accrete.spec
index 6cf0dd8..2ef0968 100644
--- a/accrete.spec
+++ b/accrete.spec
@@ -1,6 +1,6 @@
 Name:		accrete
 Version:	1.0
-Release:	20%{?dist}
+Release:	21%{?dist}
 Summary:	Accrete is a physical simulation of solar system planet formation
 
 License:	Public Domain
@@ -33,6 +33,9 @@ install -Dm 755 accrete $RPM_BUILD_ROOT%{_bindir}/accrete
 %{_bindir}/accrete
 
 %changelog
+* Wed Jul 24 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.0-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Thu Jan 31 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.0-20
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild