diff --git a/rubygem-nokogiri.spec b/rubygem-nokogiri.spec
index 13d90fb..a61df0a 100644
--- a/rubygem-nokogiri.spec
+++ b/rubygem-nokogiri.spec
@@ -6,7 +6,7 @@
 %global	mainver		1.6.7
 %global	prever		.rc3
 
-%global	mainrel		3
+%global	mainrel		4
 %global	prerpmver		%(echo "%{?prever}" | sed -e 's|\\.||g')
 
 %global	gemdir			%(ruby -rubygems -e 'puts Gem::dir' 2>/dev/null)
@@ -264,8 +264,12 @@ popd
 %{gemdir}/doc/%{gemname}-%{mainver}%{?prever}/
 
 %changelog
+* Mon Jan 11 2016 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.6.7-0.4.rc4
+- F-24: rebuild against ruby23
+
 * Fri Dec 11 2015 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.6.7-0.3.rc3
 - Shutdown libxml2 version mismatch warning
+
 * Tue Dec  8 2015 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1.6.7-0.2.rc3
 - Rebuild against new libxml2, to make rspec test succeed