diff --git a/dev-ruby/posix-spawn/posix-spawn-0.3.11.ebuild b/dev-ruby/posix-spawn/posix-spawn-0.3.11.ebuild
index 046b2c6266220..5e278fa96ed9e 100644
--- a/dev-ruby/posix-spawn/posix-spawn-0.3.11.ebuild
+++ b/dev-ruby/posix-spawn/posix-spawn-0.3.11.ebuild
@@ -4,7 +4,7 @@
 
 EAPI=5
 
-USE_RUBY="ruby20 ruby21 ruby22"
+USE_RUBY="ruby20 ruby21 ruby22 ruby23"
 KEYWORDS="~amd64"
 
 RUBY_FAKEGEM_TASK_DOC=""