diff --git a/dev-ruby/multi_test/multi_test-0.1.1.ebuild b/dev-ruby/multi_test/multi_test-0.1.1.ebuild
index df68a0c6999d9..46921d36cfeed 100644
--- a/dev-ruby/multi_test/multi_test-0.1.1.ebuild
+++ b/dev-ruby/multi_test/multi_test-0.1.1.ebuild
@@ -4,7 +4,7 @@
 
 EAPI=5
 
-USE_RUBY="ruby20"
+USE_RUBY="ruby20 ruby21"
 
 RUBY_FAKEGEM_RECIPE_DOC="rdoc"