diff --git a/mozilla-filesystem.spec b/mozilla-filesystem.spec
index 51a787e..c02d8c7 100644
--- a/mozilla-filesystem.spec
+++ b/mozilla-filesystem.spec
@@ -1,6 +1,6 @@
 Name:           mozilla-filesystem
 Version:        1.9
-Release:        20%{?dist}
+Release:        21%{?dist}
 Summary:        Mozilla filesytem layout
 License:        MPLv1.1
 
@@ -23,6 +23,9 @@ mkdir -p $RPM_BUILD_ROOT/etc/skel/.mozilla/{plugins,extensions}
 /etc/skel/.mozilla
 
 %changelog
+* Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.9-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Fri Feb 01 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.9-20
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild