diff --git a/dev-ruby/benchmark/benchmark-0.4.0.ebuild b/dev-ruby/benchmark/benchmark-0.4.0.ebuild
index 5b30d74c345b6..f6770e98461e9 100644
--- a/dev-ruby/benchmark/benchmark-0.4.0.ebuild
+++ b/dev-ruby/benchmark/benchmark-0.4.0.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
-USE_RUBY="ruby31 ruby32 ruby33"
+USE_RUBY="ruby31 ruby32 ruby33 ruby34"
 
 RUBY_FAKEGEM_EXTRADOC="README.md"