diff --git a/dev-ruby/crack/crack-0.4.3-r1.ebuild b/dev-ruby/crack/crack-0.4.3-r1.ebuild
index 4cb37e7aa0a30..8fb340679b522 100644
--- a/dev-ruby/crack/crack-0.4.3-r1.ebuild
+++ b/dev-ruby/crack/crack-0.4.3-r1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=5
 
-USE_RUBY="ruby20 ruby21 ruby22 ruby23"
+USE_RUBY="ruby21 ruby22 ruby23 ruby24"
 
 RUBY_FAKEGEM_RECIPE_DOC="rdoc"
 RUBY_FAKEGEM_EXTRADOC="README.md History"