diff --git a/ballbuster.spec b/ballbuster.spec
index 63d2e2b..1979738 100644
--- a/ballbuster.spec
+++ b/ballbuster.spec
@@ -1,6 +1,6 @@
 Name:           ballbuster
 Version:        1.0
-Release:        20%{?dist}
+Release:        21%{?dist}
 Summary:        Move the paddle to bounce the ball and break all the bricks
 Group:          Amusements/Games
 License:        GPLv2+
@@ -61,6 +61,9 @@ fi
 %{_datadir}/icons/hicolor/32x32/apps/%{name}.png
 
 %changelog
+* Wed Jun 17 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.0-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
+
 * Sun May 03 2015 Kalev Lember <kalevlember@gmail.com> - 1.0-20
 - Rebuilt for GCC 5 C++11 ABI change