diff --git a/dev-ruby/json/json-2.3.0.ebuild b/dev-ruby/json/json-2.3.0.ebuild
index 075feb4751adc..ccb0114c8065f 100644
--- a/dev-ruby/json/json-2.3.0.ebuild
+++ b/dev-ruby/json/json-2.3.0.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-USE_RUBY="ruby24 ruby25 ruby26"
+USE_RUBY="ruby24 ruby25 ruby26 ruby27"
 
 RUBY_FAKEGEM_EXTRADOC="CHANGES.md README.md"
 RUBY_FAKEGEM_DOCDIR="doc"