diff --git a/rubygem-marc.spec b/rubygem-marc.spec
index 32d7e68..f07dffc 100644
--- a/rubygem-marc.spec
+++ b/rubygem-marc.spec
@@ -11,7 +11,7 @@
 
 Name:		rubygem-%{gem_name}
 Version:	1.0.4
-Release:	3%{?dist}
+Release:	4%{?dist}
 Summary:	Ruby library for MARC catalog
 
 License:	MIT
@@ -115,6 +115,9 @@ ruby -Ilib:. -e 'gem "test-unit"; require "marc" ; Dir.glob("test/tc_*.rb"){|f| 
 
 
 %changelog
+* Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.4-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.4-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild