diff --git a/rubygem-http_parser.rb.spec b/rubygem-http_parser.rb.spec
index 70e427d..d935e0d 100644
--- a/rubygem-http_parser.rb.spec
+++ b/rubygem-http_parser.rb.spec
@@ -3,7 +3,7 @@
 
 Name:		rubygem-%{gem_name}
 Version:	0.6.0
-Release:	19%{?dist}
+Release:	20%{?dist}
 Summary:	Simple callback-based HTTP request/response parser
 License:	MIT
 URL:		https://github.com/tmm1/http_parser.rb
@@ -95,6 +95,9 @@ popd
 %{gem_instdir}/tasks
 
 %changelog
+* Wed Jan  6 2021 Vít Ondruch <vondruch@redhat.com> - 0.6.0-20
+- Rebuilt for https://fedoraproject.org/wiki/Changes/Ruby_3.0
+
 * Wed Aug 05 2020 Merlin Mathesius <mmathesi@redhat.com> - 0.6.0-19
 - Minor conditional fixes for ELN