diff --git a/dev-ruby/tdiff/tdiff-0.4.0.ebuild b/dev-ruby/tdiff/tdiff-0.4.0.ebuild
index b0dfdf70a2f6c..7135c5e6decdf 100644
--- a/dev-ruby/tdiff/tdiff-0.4.0.ebuild
+++ b/dev-ruby/tdiff/tdiff-0.4.0.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"