diff --git a/dev-ruby/multi_json/multi_json-1.15.0-r1.ebuild b/dev-ruby/multi_json/multi_json-1.15.0-r1.ebuild
index 053a6fea72596..49c23ca998a4e 100644
--- a/dev-ruby/multi_json/multi_json-1.15.0-r1.ebuild
+++ b/dev-ruby/multi_json/multi_json-1.15.0-r1.ebuild
@@ -1,9 +1,9 @@
-# Copyright 1999-2024 Gentoo Authors
+# Copyright 1999-2025 Gentoo Authors
 # 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_RECIPE_TEST="rspec3"
 RUBY_FAKEGEM_TASK_DOC="yard"