diff --git a/pytz.spec b/pytz.spec
index c1d59d3..78985b6 100644
--- a/pytz.spec
+++ b/pytz.spec
@@ -4,7 +4,7 @@
 
 Name:           pytz
 Version:        2010h
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        World Timezone Definitions for Python
 
 Group:          Development/Languages
@@ -54,6 +54,9 @@ rm -rf $RPM_BUILD_ROOT
 %{python_sitelib}/*.egg-info
 
 %changelog
+* Wed Feb 09 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2010h-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild
+
 * Thu Jul 22 2010 David Malcolm <dmalcolm@redhat.com> - 2010h-3
 - Rebuilt for https://fedoraproject.org/wiki/Features/Python_2.7/MassRebuild