diff --git a/dev-ruby/backports/backports-3.25.3.ebuild b/dev-ruby/backports/backports-3.25.3.ebuild
index 38d4558ad7040..a612320cd10a5 100644
--- a/dev-ruby/backports/backports-3.25.3.ebuild
+++ b/dev-ruby/backports/backports-3.25.3.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-USE_RUBY="ruby32 ruby33 ruby34"
+USE_RUBY="ruby32 ruby33 ruby34 ruby40"
 
 RUBY_FAKEGEM_GEMSPEC="backports.gemspec"