diff --git a/dev-ruby/listen/listen-3.10.0.ebuild b/dev-ruby/listen/listen-3.10.0.ebuild
index 8697b5fcbb633..d3e8ae8c4f4ba 100644
--- a/dev-ruby/listen/listen-3.10.0.ebuild
+++ b/dev-ruby/listen/listen-3.10.0.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-USE_RUBY="ruby32 ruby33 ruby34"
+USE_RUBY="ruby32 ruby33 ruby34 ruby40"
 
 RUBY_FAKEGEM_RECIPE_TEST="rspec3"