diff --git a/dev-ruby/psych/psych-5.2.2.ebuild b/dev-ruby/psych/psych-5.2.2.ebuild
index dde1cbf19de8c..99d55331746ad 100644
--- a/dev-ruby/psych/psych-5.2.2.ebuild
+++ b/dev-ruby/psych/psych-5.2.2.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_EXTENSIONS=(ext/psych/extconf.rb)