diff --git a/isl.spec b/isl.spec
index 85135fa..8fc4a88 100644
--- a/isl.spec
+++ b/isl.spec
@@ -16,7 +16,7 @@ URL: http://isl.gforge.inria.fr/
 #
 # % global buildid .local
 
-Release: 8%{?buildid}%{?dist}
+Release: 9%{?buildid}%{?dist}
 
 BuildRequires:  gcc
 BuildRequires: gmp-devel
@@ -108,6 +108,9 @@ cd isl-%{version}
 
 
 %changelog
+* Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.16.1-9
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Fri Feb 01 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.16.1-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild