diff --git a/dev-ruby/unindent/unindent-1.0.ebuild b/dev-ruby/unindent/unindent-1.0.ebuild
index eb55877130063..a166e711ebcf9 100644
--- a/dev-ruby/unindent/unindent-1.0.ebuild
+++ b/dev-ruby/unindent/unindent-1.0.ebuild
@@ -3,7 +3,7 @@
 # $Id$
 
 EAPI=5
-USE_RUBY="ruby20 ruby21 ruby22"
+USE_RUBY="ruby20 ruby21 ruby22 ruby23"
 
 RUBY_FAKEGEM_EXTRADOC="README.md"
 RUBY_FAKEGEM_RECIPE_DOC="rdoc"