diff --git a/python-canonicaljson.spec b/python-canonicaljson.spec
index 3c61c27..fb15d0c 100644
--- a/python-canonicaljson.spec
+++ b/python-canonicaljson.spec
@@ -4,7 +4,7 @@
 
 Name:           python-%{modname}
 Version:        1.0.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Canonical JSON
 
 License:        ASL 2.0
@@ -91,6 +91,9 @@ nosetests-%{python3_version} -v
 %{python3_sitelib}/__pycache__/%{modname}.*
 
 %changelog
+* Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.0-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Sat Feb 11 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild