diff --git a/rubygem-open4.spec b/rubygem-open4.spec
index e1270b7..00a6973 100644
--- a/rubygem-open4.spec
+++ b/rubygem-open4.spec
@@ -3,7 +3,7 @@
 Summary: Manage child processes and their IO handles easily
 Name: rubygem-%{gem_name}
 Version: 1.3.4
-Release: 4%{?dist}
+Release: 5%{?dist}
 Group: Development/Languages
 License: BSD or Ruby
 URL: http://github.com/ahoward/open4/
@@ -62,6 +62,9 @@ popd
 
 
 %changelog
+* Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.3.4-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Sat Feb 11 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.3.4-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild