diff --git a/dev-ruby/slim/slim-3.0.7.ebuild b/dev-ruby/slim/slim-3.0.7.ebuild
index f2249a6993730..7a8e9e2d6a098 100644
--- a/dev-ruby/slim/slim-3.0.7.ebuild
+++ b/dev-ruby/slim/slim-3.0.7.ebuild
@@ -3,7 +3,7 @@
 # $Id$
 
 EAPI=5
-USE_RUBY="ruby20 ruby21 ruby22"
+USE_RUBY="ruby20 ruby21 ruby22 ruby23"
 
 RUBY_FAKEGEM_EXTRADOC="CHANGES README.md"