diff --git a/dev-ruby/date/date-3.5.1.ebuild b/dev-ruby/date/date-3.5.1.ebuild
index b063b4825f679..bfdce41c4eaf5 100644
--- a/dev-ruby/date/date-3.5.1.ebuild
+++ b/dev-ruby/date/date-3.5.1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-USE_RUBY="ruby32 ruby33 ruby34"
+USE_RUBY="ruby32 ruby33 ruby34 ruby40"
 
 RUBY_FAKEGEM_BINWRAP=""
 RUBY_FAKEGEM_EXTENSIONS=(ext/date/extconf.rb)