diff --git a/dev-ruby/websocket/websocket-1.2.3.ebuild b/dev-ruby/websocket/websocket-1.2.3.ebuild
index 4a40bffeb5243..ad1944aeb9d4d 100644
--- a/dev-ruby/websocket/websocket-1.2.3.ebuild
+++ b/dev-ruby/websocket/websocket-1.2.3.ebuild
@@ -4,7 +4,7 @@
 
 EAPI=5
 
-USE_RUBY="ruby20 ruby21 ruby22"
+USE_RUBY="ruby20 ruby21 ruby22 ruby23"
 
 RUBY_FAKEGEM_RECIPE_DOC="rdoc"
 RUBY_FAKEGEM_RECIPE_TEST="rspec3"