diff --git a/dev-ruby/websocket-driver/websocket-driver-0.6.5.ebuild b/dev-ruby/websocket-driver/websocket-driver-0.6.5.ebuild
index a19615e4558f6..264340c3a1515 100644
--- a/dev-ruby/websocket-driver/websocket-driver-0.6.5.ebuild
+++ b/dev-ruby/websocket-driver/websocket-driver-0.6.5.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
-USE_RUBY="ruby21 ruby22 ruby23 ruby24"
+USE_RUBY="ruby23 ruby24 ruby25"
 
 RUBY_FAKEGEM_RECIPE_TEST="rspec3"
 RUBY_FAKEGEM_TASK_DOC=""