diff --git a/dev-ruby/tins/tins-0.13.1.ebuild b/dev-ruby/tins/tins-0.13.1.ebuild
index c3e6a7dbdf7ca..8b4f60c4c45f3 100644
--- a/dev-ruby/tins/tins-0.13.1.ebuild
+++ b/dev-ruby/tins/tins-0.13.1.ebuild
@@ -19,7 +19,7 @@ HOMEPAGE="https://github.com/flori/tins"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="amd64 hppa ppc ppc64 x86"
+KEYWORDS="~alpha amd64 hppa ppc ppc64 x86"
 IUSE=""
 
 ruby_add_bdepend "test? ( >=dev-ruby/test-unit-2.5.1-r1 ) "