diff --git a/dev-ruby/ffi/ffi-1.9.18.ebuild b/dev-ruby/ffi/ffi-1.9.18.ebuild
index 1bfb8ddd8d61b..fa85ad9426bdc 100644
--- a/dev-ruby/ffi/ffi-1.9.18.ebuild
+++ b/dev-ruby/ffi/ffi-1.9.18.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=5
 
-USE_RUBY="ruby21 ruby22 ruby23"
+USE_RUBY="ruby21 ruby22 ruby23 ruby24"
 
 RUBY_FAKEGEM_RECIPE_TEST="rspec3"