diff --git a/dev-ruby/ruby_gntp/ruby_gntp-0.3.4.ebuild b/dev-ruby/ruby_gntp/ruby_gntp-0.3.4.ebuild
index 513a6f413cfcf..125143e35ac93 100644
--- a/dev-ruby/ruby_gntp/ruby_gntp-0.3.4.ebuild
+++ b/dev-ruby/ruby_gntp/ruby_gntp-0.3.4.ebuild
@@ -3,7 +3,7 @@
 # $Id$
 
 EAPI=5
-USE_RUBY="ruby20 ruby21 ruby22"
+USE_RUBY="ruby20 ruby21 ruby22 ruby23"
 
 RUBY_FAKEGEM_RECIPE_TEST="rspec"
 RUBY_FAKEGEM_RECIPE_DOC="rdoc"