diff --git a/dev-ruby/domain_name/domain_name-0.5.20160826.ebuild b/dev-ruby/domain_name/domain_name-0.5.20160826.ebuild
index 07501804acff5..45680edaed7c9 100644
--- a/dev-ruby/domain_name/domain_name-0.5.20160826.ebuild
+++ b/dev-ruby/domain_name/domain_name-0.5.20160826.ebuild
@@ -19,7 +19,7 @@ HOMEPAGE="https://github.com/knu/ruby-domain_name"
 
 LICENSE="BSD-2"
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~ppc ~ppc64 ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos ~x86-solaris"
+KEYWORDS="~alpha ~amd64 ~arm ~ppc ~ppc64 ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x86-macos ~x86-solaris"
 IUSE="test"
 
 ruby_add_rdepend ">=dev-ruby/unf-0.0.5-r1:0"