diff --git a/dev-ruby/json/json-1.8.3.ebuild b/dev-ruby/json/json-1.8.3.ebuild
index a41ea976a46dc..99a81bc47e1a1 100644
--- a/dev-ruby/json/json-1.8.3.ebuild
+++ b/dev-ruby/json/json-1.8.3.ebuild
@@ -3,7 +3,7 @@
 # $Id$
 
 EAPI=5
-USE_RUBY="ruby19 ruby20 ruby21 ruby22"
+USE_RUBY="ruby20 ruby21 ruby22 ruby23"
 
 RUBY_FAKEGEM_TASK_DOC="doc"
 RUBY_FAKEGEM_EXTRADOC="CHANGES TODO README.rdoc README-json-jruby.markdown"