diff --git a/dev-ruby/uuidtools/uuidtools-2.2.0-r1.ebuild b/dev-ruby/uuidtools/uuidtools-2.2.0-r1.ebuild
index 18b79be358609..bdd89faa70f5d 100644
--- a/dev-ruby/uuidtools/uuidtools-2.2.0-r1.ebuild
+++ b/dev-ruby/uuidtools/uuidtools-2.2.0-r1.ebuild
@@ -1,9 +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="ruby32 ruby33 ruby34"
+USE_RUBY="ruby32 ruby33 ruby34 ruby40"
 
 RUBY_FAKEGEM_RECIPE_TEST="rspec3"
 
diff --git a/dev-ruby/uuidtools/uuidtools-3.0.0.ebuild b/dev-ruby/uuidtools/uuidtools-3.0.0.ebuild
index ad0da9a200aca..b4d0e5597733a 100644
--- a/dev-ruby/uuidtools/uuidtools-3.0.0.ebuild
+++ b/dev-ruby/uuidtools/uuidtools-3.0.0.ebuild
@@ -1,9 +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"