diff --git a/rubygem-gstreamer.spec b/rubygem-gstreamer.spec
index 89ac8a6..2fa2bfb 100644
--- a/rubygem-gstreamer.spec
+++ b/rubygem-gstreamer.spec
@@ -12,7 +12,7 @@
 Summary:	Ruby binding of GStreamer
 Name:		rubygem-%{gem_name}
 Version:	3.4.3
-Release:	1%{?dist}
+Release:	2%{?dist}
 # from README
 License:	LGPLv2
 URL:		http://ruby-gnome2.sourceforge.jp/
@@ -151,6 +151,9 @@ popd
 %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