diff --git a/caribou.spec b/caribou.spec
index dfda22a..dc1a634 100644
--- a/caribou.spec
+++ b/caribou.spec
@@ -1,6 +1,6 @@
 Name:           caribou
 Version:        0.4.21
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        A simplified in-place on-screen keyboard
 License:        LGPLv2+
 URL:            https://wiki.gnome.org/Projects/Caribou
@@ -197,6 +197,9 @@ fi
 
 
 %changelog
+* Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.21-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.4.21-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild