diff --git a/zlib.spec b/zlib.spec
index 7d9e44d..7f9b33a 100644
--- a/zlib.spec
+++ b/zlib.spec
@@ -1,7 +1,7 @@
 Summary: The zlib compression and decompression library
 Name: zlib
 Version: 1.2.7
-Release: 3%{?dist}
+Release: 4%{?dist}
 Group: System Environment/Libraries
 Source: http://www.zlib.net/zlib-%{version}.tar.bz2
 Patch0: zlib-1.2.5-minizip-fixuncrypt.patch
@@ -121,6 +121,9 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/*.la
 %{_libdir}/pkgconfig/minizip.pc
 
 %changelog
+* Sun Jul 22 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.2.7-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild
+
 * Mon Jun 11 2012 Peter Schiffer <pschiffe@redhat.com> - 1.2.7-3
 - moved /lib* to /usr/lib*