diff --git a/dev-ruby/set/set-1.1.1.ebuild b/dev-ruby/set/set-1.1.1.ebuild
index 380232b03cf3b..349eedb5e4215 100644
--- a/dev-ruby/set/set-1.1.1.ebuild
+++ b/dev-ruby/set/set-1.1.1.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_BINWRAP=""
 RUBY_FAKEGEM_GEMSPEC="set.gemspec"