diff --git a/hydrogen.spec b/hydrogen.spec
index 403d5c6..3b0eaea 100644
--- a/hydrogen.spec
+++ b/hydrogen.spec
@@ -1,7 +1,7 @@
 Summary:      Advanced drum machine for GNU/Linux
 Name:         hydrogen
 Version:      0.9.4.2
-Release:      3%{?dist}
+Release:      4%{?dist}
 URL:          http://www.hydrogen-music.org/
 Source0:      http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
 # Correct datadir. hydrogens busts if there is a file /usr/bin/data in the system.
@@ -131,6 +131,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 
 
 %changelog
+* Wed Feb 09 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.9.4.2-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild
+
 * Sat Oct 16 2010 Orcan Ogetbil <oget [DOT] fedora [AT] gmail [DOT] com> - 0.9.4.2-3
 - Fix data directory. Fixes RHBZ#643622