diff --git a/nauty.spec b/nauty.spec
index b774418..7c7a721 100644
--- a/nauty.spec
+++ b/nauty.spec
@@ -3,7 +3,7 @@
 
 Name:           nauty
 Version:        %(tr r . <<< %{nautybasever})
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Graph canonical labeling and automorphism group computation
 
 License:        ASL 2.0
@@ -125,6 +125,9 @@ make check
 %{_libdir}/pkgconfig/%{name}.pc
 
 %changelog
+* Thu Aug 03 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.6.7-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
+
 * Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.6.7-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild