diff --git a/dev-ruby/asciidoctor-diagram/asciidoctor-diagram-2.2.14.ebuild b/dev-ruby/asciidoctor-diagram/asciidoctor-diagram-2.2.14.ebuild
index 6307b5c5169a8..e8cf9c986fdab 100644
--- a/dev-ruby/asciidoctor-diagram/asciidoctor-diagram-2.2.14.ebuild
+++ b/dev-ruby/asciidoctor-diagram/asciidoctor-diagram-2.2.14.ebuild
@@ -1,9 +1,9 @@
-# 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"
+USE_RUBY="ruby31 ruby32 ruby33"
 
 RUBY_FAKEGEM_RECIPE_TEST="rspec3"