diff --git a/dev-ruby/rack-openid/rack-openid-1.4.2.ebuild b/dev-ruby/rack-openid/rack-openid-1.4.2.ebuild
index 730ff37dd120d..ff3acbbf9a234 100644
--- a/dev-ruby/rack-openid/rack-openid-1.4.2.ebuild
+++ b/dev-ruby/rack-openid/rack-openid-1.4.2.ebuild
@@ -4,7 +4,7 @@
 
 EAPI=5
 
-USE_RUBY="ruby20 ruby21 ruby22"
+USE_RUBY="ruby20 ruby21 ruby22 ruby23"
 
 RUBY_FAKEGEM_TASK_DOC=""
 RUBY_FAKEGEM_EXTRADOC="Readme.md"