diff --git a/dev-ruby/oauth/oauth-0.5.1.ebuild b/dev-ruby/oauth/oauth-0.5.1.ebuild
index 39c3094c2d02b..6558d0b9c575b 100644
--- a/dev-ruby/oauth/oauth-0.5.1.ebuild
+++ b/dev-ruby/oauth/oauth-0.5.1.ebuild
@@ -3,7 +3,7 @@
 # $Id$
 
 EAPI=5
-USE_RUBY="ruby20 ruby21 ruby22"
+USE_RUBY="ruby21 ruby22 ruby23"
 
 RUBY_FAKEGEM_TASK_DOC=""