diff --git a/gtk3.spec b/gtk3.spec
index e445b9a..fcde6fb 100644
--- a/gtk3.spec
+++ b/gtk3.spec
@@ -17,7 +17,7 @@
 Summary: The GIMP ToolKit (GTK+), a library for creating GUIs for X
 Name: gtk3
 Version: 3.13.2
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: LGPLv2+
 Group: System Environment/Libraries
 URL: http://www.gtk.org
@@ -311,6 +311,9 @@ gtk-query-immodules-3.0-%{__isa_bits} --update-cache
 %{_datadir}/installed-tests
 
 %changelog
+* Sat Jun 07 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 3.13.2-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
+
 * Fri May 30 2014 Kalev Lember <kalevlember@gmail.com> - 3.13.2-3
 - Backport a GtkBuilder fix to ensure types get fully initialized