diff --git a/dev-ruby/erubi/erubi-1.6.1.ebuild b/dev-ruby/erubi/erubi-1.6.1.ebuild
index 19f35743eacb5..56e7b19eb23bd 100644
--- a/dev-ruby/erubi/erubi-1.6.1.ebuild
+++ b/dev-ruby/erubi/erubi-1.6.1.ebuild
@@ -17,7 +17,7 @@ HOMEPAGE="https://github.com/jeremyevans/erubi"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~ppc ~x86"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~x86"
 IUSE=""
 
 ruby_add_bdepend "test? ( dev-ruby/minitest )"