diff --git a/dev-ruby/fattr/fattr-2.4.0-r1.ebuild b/dev-ruby/fattr/fattr-2.4.0-r1.ebuild
index e96dd52c3ec99..721b175bd6bee 100644
--- a/dev-ruby/fattr/fattr-2.4.0-r1.ebuild
+++ b/dev-ruby/fattr/fattr-2.4.0-r1.ebuild
@@ -1,8 +1,8 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 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_TASK_DOC=""
 RUBY_FAKEGEM_EXTRADOC="README"