diff --git a/www-apps/rda/rda-2.1.ebuild b/www-apps/rda/rda-2.1.ebuild
index 0140211dc..011ff6960 100644
--- a/www-apps/rda/rda-2.1.ebuild
+++ b/www-apps/rda/rda-2.1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=6
 
-USE_RUBY="ruby21 ruby22"
+USE_RUBY="ruby21 ruby22 ruby23"
 
 inherit ruby-ng