diff --git a/rubygem-nio4r.spec b/rubygem-nio4r.spec
index 56aef7e..200f684 100644
--- a/rubygem-nio4r.spec
+++ b/rubygem-nio4r.spec
@@ -5,7 +5,7 @@
 
 Name: rubygem-%{gem_name}
 Version: 2.1.0
-Release: 3%{?dist}
+Release: 4%{?dist}
 Summary: New IO for Ruby
 Group: Development/Languages
 # The entire source code is MIT, bundled libev is BSD or GPLv2+
@@ -124,6 +124,9 @@ popd
 %{gem_instdir}/spec
 
 %changelog
+* Thu Aug 03 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.1.0-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
+
 * Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.1.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild