diff --git a/sugar-physics.spec b/sugar-physics.spec
index acc24f8..d7d7fb5 100644
--- a/sugar-physics.spec
+++ b/sugar-physics.spec
@@ -1,6 +1,6 @@
 Name:           sugar-physics
 Version:        21
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        A physical world simulator and playground for Sugar
 
 Group:          Sugar/Activities
@@ -44,6 +44,9 @@ chmod a-x $RPM_BUILD_ROOT%{sugaractivitydir}Physics.activity/activity/{activity.
 %{sugaractivitydir}/Physics.activity/
 
 %changelog
+* Sun Jun 08 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 21-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
+
 * Wed May 28 2014 Peter Robinson <pbrobinson@fedoraproject.org> 21-1
 - Release 21