diff --git a/dev-ruby/rspec-core/rspec-core-3.4.2.ebuild b/dev-ruby/rspec-core/rspec-core-3.4.2.ebuild
index 6816c7fc9526b..fa9d0b6707836 100644
--- a/dev-ruby/rspec-core/rspec-core-3.4.2.ebuild
+++ b/dev-ruby/rspec-core/rspec-core-3.4.2.ebuild
@@ -23,7 +23,7 @@ SRC_URI="https://github.com/rspec/${PN}/archive/v${PV}.tar.gz -> ${P}-git.tgz"
 
 LICENSE="MIT"
 SLOT="3"
-KEYWORDS="~amd64 ~arm ~hppa ~ppc64"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ppc64"
 IUSE="highlight"
 
 SUBVERSION="$(get_version_component_range 1-2)"