diff --git a/dev-ruby/simple_oauth/simple_oauth-0.3.1.ebuild b/dev-ruby/simple_oauth/simple_oauth-0.3.1.ebuild
index b15cf7a2e7d8d..09b9696e52a2b 100644
--- a/dev-ruby/simple_oauth/simple_oauth-0.3.1.ebuild
+++ b/dev-ruby/simple_oauth/simple_oauth-0.3.1.ebuild
@@ -4,7 +4,7 @@
 
 EAPI=5
 
-USE_RUBY="ruby20 ruby21 ruby22"
+USE_RUBY="ruby20 ruby21 ruby22 ruby23"
 
 RUBY_FAKEGEM_RECIPE_TEST="rspec"