diff --git a/sys-apps/ack/ack-3.4.0.ebuild b/sys-apps/ack/ack-3.4.0.ebuild
index 0df2c490211ba..b076054a04a21 100644
--- a/sys-apps/ack/ack-3.4.0.ebuild
+++ b/sys-apps/ack/ack-3.4.0.ebuild
@@ -11,7 +11,7 @@ HOMEPAGE="https://beyondgrep.com"
 
 LICENSE="Artistic-2"
 SLOT="0"
-KEYWORDS="~alpha ~amd64 ~arm ~hppa ~x86 ~amd64-linux ~x86-linux ~x86-macos"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~x86 ~amd64-linux ~x86-linux ~x86-macos"
 IUSE="test"
 RESTRICT="!test? ( test )"