diff --git a/rubygem-nio4r.spec b/rubygem-nio4r.spec
index 0733173..ce069fe 100644
--- a/rubygem-nio4r.spec
+++ b/rubygem-nio4r.spec
@@ -5,7 +5,7 @@
 
 Name: rubygem-%{gem_name}
 Version: 2.4.0
-Release: 1%{?dist}
+Release: 2%{?dist}
 Summary: New IO for Ruby
 # The entire source code is MIT, bundled libev is BSD or GPLv2+
 License: MIT and (BSD or GPLv2+)
@@ -109,6 +109,9 @@ popd
 %{gem_instdir}/spec
 
 %changelog
+* Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 2.4.0-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Tue Jul 09 2019 Vít Ondruch <vondruch@redhat.com> - 2.4.0-1
 - Update to nio4r 2.4.0.