diff --git a/Judy.spec b/Judy.spec
index 820175a..c8aa153 100644
--- a/Judy.spec
+++ b/Judy.spec
@@ -1,6 +1,6 @@
 Name:		Judy
 Version:	1.0.5
-Release:	20%{?dist}
+Release:	21%{?dist}
 Summary:	General purpose dynamic array
 License:	LGPLv2+
 URL:		http://sourceforge.net/projects/judy/
@@ -86,6 +86,9 @@ cd -
 %{_mandir}/man3/J*.3*
 
 %changelog
+* Wed Jul 24 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.5-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Mon Jul 22 2019 Paul Howarth <paul@city-fan.org> - 1.0.5-20
 - Modernize spec
   - Use %%make_install