diff --git a/rubygem-gtksourceview2.spec b/rubygem-gtksourceview2.spec
index 73436a8..5a591f6 100644
--- a/rubygem-gtksourceview2.spec
+++ b/rubygem-gtksourceview2.spec
@@ -11,7 +11,7 @@
 Summary:	Ruby binding of gtksourceview-2.x
 Name:		rubygem-%{gem_name}
 Version:	3.4.3
-Release:	1%{?dist}
+Release:	2%{?dist}
 # from README
 License:	LGPLv2
 URL:		http://ruby-gnome2.sourceforge.jp/
@@ -155,6 +155,9 @@ xvfb-run \
 %exclude	%{gem_instdir}/test/
 
 %changelog
+* Wed Jan 06 2021 Mamoru TASAKA <mtasaka@fedoraproject.org> - 3.4.3-2
+- F-34: rebuild against ruby 3.0
+
 * Thu Aug 13 2020 Mamoru TASAKA <mtasaka@fedoraproject.org> - 3.4.3-1
 - 3.4.3