diff --git a/dev-ruby/crass/crass-1.0.6-r1.ebuild b/dev-ruby/crass/crass-1.0.6-r1.ebuild
index 425b8ff7b294c..75d1043a002f3 100644
--- a/dev-ruby/crass/crass-1.0.6-r1.ebuild
+++ b/dev-ruby/crass/crass-1.0.6-r1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-USE_RUBY="ruby27 ruby30 ruby31 ruby32"
+USE_RUBY="ruby31 ruby32 ruby33"
 
 RUBY_FAKEGEM_EXTRADOC="HISTORY.md README.md"