diff --git a/dev-ruby/mime-types/mime-types-3.1.ebuild b/dev-ruby/mime-types/mime-types-3.1.ebuild
index 11118bf126993..e2deac14df3f6 100644
--- a/dev-ruby/mime-types/mime-types-3.1.ebuild
+++ b/dev-ruby/mime-types/mime-types-3.1.ebuild
@@ -16,7 +16,7 @@ HOMEPAGE="https://github.com/mime-types/ruby-mime-types"
 
 LICENSE="MIT"
 SLOT="3"
-KEYWORDS="~amd64 ~arm"
+KEYWORDS="~alpha ~amd64 ~arm"
 IUSE=""
 
 ruby_add_bdepend "test? ( dev-ruby/minitest:5 dev-ruby/minitest-bonus-assertions:2 dev-ruby/minitest-hooks:1 )"