diff --git a/dev-ruby/rspec-json_expectations/rspec-json_expectations-2.1.0.ebuild b/dev-ruby/rspec-json_expectations/rspec-json_expectations-2.1.0.ebuild
index 441ddad769d32..b6095cb98eef1 100644
--- a/dev-ruby/rspec-json_expectations/rspec-json_expectations-2.1.0.ebuild
+++ b/dev-ruby/rspec-json_expectations/rspec-json_expectations-2.1.0.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="ruby22 ruby23 ruby24"
 
 RUBY_FAKEGEM_RECIPE_DOC="rdoc"