diff --git a/dev-python/tox/tox-2.4.1.ebuild b/dev-python/tox/tox-2.4.1.ebuild
index 5128f259ab9d4..59b5accb58858 100644
--- a/dev-python/tox/tox-2.4.1.ebuild
+++ b/dev-python/tox/tox-2.4.1.ebuild
@@ -13,7 +13,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="amd64 ~ppc ~ppc64 x86"
+KEYWORDS="amd64 ~arm64 ~ppc ~ppc64 x86"
 IUSE="doc test"
 
 RDEPEND="