diff --git a/dev-ruby/parser/parser-2.4.0.0.ebuild b/dev-ruby/parser/parser-2.4.0.0.ebuild
index 5af6e4ef00170..0b266f2db46b3 100644
--- a/dev-ruby/parser/parser-2.4.0.0.ebuild
+++ b/dev-ruby/parser/parser-2.4.0.0.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
-USE_RUBY="ruby21 ruby22 ruby23"
+USE_RUBY="ruby21 ruby22 ruby23 ruby24"
 
 RUBY_FAKEGEM_RECIPE_DOC="yard"
 RUBY_FAKEGEM_TASK_TEST="test"