diff --git a/dev-ruby/rbnacl/rbnacl-7.1.1-r1.ebuild b/dev-ruby/rbnacl/rbnacl-7.1.1-r1.ebuild
index 13ee8544ca906..d861fb51b01a4 100644
--- a/dev-ruby/rbnacl/rbnacl-7.1.1-r1.ebuild
+++ b/dev-ruby/rbnacl/rbnacl-7.1.1-r1.ebuild
@@ -16,7 +16,7 @@ HOMEPAGE="https://github.com/RubyCrypto/rbnacl"
 
 LICENSE="MIT"
 SLOT="6"
-KEYWORDS="amd64 ~arm ppc ppc64 x86"
+KEYWORDS="amd64 ~arm ~arm64 ppc ppc64 x86"
 IUSE=""
 
 RDEPEND+=" dev-libs/libsodium"