diff --git a/dev-ruby/naught/naught-1.1.0-r1.ebuild b/dev-ruby/naught/naught-1.1.0-r1.ebuild
index ebda1f6d4c441..3d848dda9b1cc 100644
--- a/dev-ruby/naught/naught-1.1.0-r1.ebuild
+++ b/dev-ruby/naught/naught-1.1.0-r1.ebuild
@@ -1,8 +1,8 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
-USE_RUBY="ruby26 ruby27 ruby30"
+USE_RUBY="ruby26 ruby27 ruby30 ruby31"
 
 RUBY_FAKEGEM_RECIPE_TEST="rspec3"