diff --git a/zlib.spec b/zlib.spec
index b6f2a1d..102cba0 100644
--- a/zlib.spec
+++ b/zlib.spec
@@ -1,7 +1,7 @@
 Summary: The compression and decompression library
 Name: zlib
 Version: 1.2.11
-Release: 3%{?dist}
+Release: 4%{?dist}
 # /contrib/dotzlib/ have Boost license
 License: zlib and Boost
 Group: System Environment/Libraries
@@ -133,6 +133,9 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/*.la
 %{_libdir}/pkgconfig/minizip.pc
 
 %changelog
+* Thu Aug 03 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.2.11-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
+
 * Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.2.11-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild