diff --git a/python-tw2-core.spec b/python-tw2-core.spec
index 90b9ea0..474e29b 100644
--- a/python-tw2-core.spec
+++ b/python-tw2-core.spec
@@ -8,7 +8,7 @@
 
 Name:           python-tw2-core
 Version:        2.2.3
-Release:        14%{?dist}
+Release:        15%{?dist}
 Summary:        Web widget creation toolkit based on TurboGears widgets
 
 License:        MIT
@@ -225,6 +225,9 @@ popd
 %endif
 
 %changelog
+* Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 2.2.3-15
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Sat Feb 02 2019 Fedora Release Engineering <releng@fedoraproject.org> - 2.2.3-14
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild