diff --git a/rubygem-nio4r.spec b/rubygem-nio4r.spec
index 11e20ca..960f87e 100644
--- a/rubygem-nio4r.spec
+++ b/rubygem-nio4r.spec
@@ -5,7 +5,7 @@
 
 Name: rubygem-%{gem_name}
 Version: 2.5.2
-Release: 2%{?dist}
+Release: 3%{?dist}
 Summary: New IO for Ruby
 # The entire source code is MIT, bundled libev is BSD or GPLv2+
 License: MIT and (BSD or GPLv2+)
@@ -110,6 +110,9 @@ popd
 %{gem_instdir}/spec
 
 %changelog
+* Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.5.2-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.5.2-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild