diff --git a/dev-ruby/io-endpoint/io-endpoint-0.15.2.ebuild b/dev-ruby/io-endpoint/io-endpoint-0.15.2.ebuild
index 6b1a2f788144a..1afd836573e9f 100644
--- a/dev-ruby/io-endpoint/io-endpoint-0.15.2.ebuild
+++ b/dev-ruby/io-endpoint/io-endpoint-0.15.2.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-USE_RUBY="ruby32 ruby33"
+USE_RUBY="ruby32 ruby33 ruby34"
 
 RUBY_FAKEGEM_RECIPE_TEST="sus"
 RUBY_FAKEGEM_EXTRADOC="readme.md"