diff --git a/python-altgraph.spec b/python-altgraph.spec
index 6ed6c03..dfff8ac 100644
--- a/python-altgraph.spec
+++ b/python-altgraph.spec
@@ -3,7 +3,7 @@
 
 Name:           python-%{srcname}
 Version:        0.12
-Release:        11%{?dist}
+Release:        12%{?dist}
 Summary:        %{sum}
 
 License:        MIT
@@ -76,6 +76,9 @@ rm altgraph/Dot.py
 
 
 %changelog
+* Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.12-12
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Sat Feb 11 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.12-11
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild