diff --git a/dev-ruby/mixlib-config/mixlib-config-3.0.27.ebuild b/dev-ruby/mixlib-config/mixlib-config-3.0.27.ebuild
index e4349f9756f38..03f10c462b939 100644
--- a/dev-ruby/mixlib-config/mixlib-config-3.0.27.ebuild
+++ b/dev-ruby/mixlib-config/mixlib-config-3.0.27.ebuild
@@ -1,8 +1,9 @@
-# Copyright 1999-2025 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
-USE_RUBY="ruby31 ruby32 ruby33 ruby34"
+
+USE_RUBY="ruby32 ruby33 ruby34 ruby40"
 
 RUBY_FAKEGEM_RECIPE_TEST="rspec3"