diff --git a/dev-ruby/power_assert/power_assert-1.1.5.ebuild b/dev-ruby/power_assert/power_assert-1.1.5.ebuild
index 399f4267edd45..8cba348653895 100644
--- a/dev-ruby/power_assert/power_assert-1.1.5.ebuild
+++ b/dev-ruby/power_assert/power_assert-1.1.5.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="README.rdoc"