diff --git a/frotz.spec b/frotz.spec
index a14bb12..c17b9fb 100644
--- a/frotz.spec
+++ b/frotz.spec
@@ -1,6 +1,6 @@
 Name:           frotz
 Version:        2.43
-Release:        20%{?dist}
+Release:        21%{?dist}
 Summary:        Interpreter for Infocom and other Z-machine games
 
 Group:          Amusements/Games
@@ -50,6 +50,9 @@ install -m0644 doc/frotz.conf-big $RPM_BUILD_ROOT/%{_sysconfdir}/frotz.conf
 
 
 %changelog
+* Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.43-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.43-20
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild