diff --git a/dev-python/librt/librt-0.6.3.ebuild b/dev-python/librt/librt-0.6.3.ebuild
index 1ffe983365ac9..6271fdc94475a 100644
--- a/dev-python/librt/librt-0.6.3.ebuild
+++ b/dev-python/librt/librt-0.6.3.ebuild
@@ -18,7 +18,7 @@ HOMEPAGE="
 
 LICENSE="MIT PSF-2.4"
 SLOT="0"
-KEYWORDS="~amd64 ~ppc ~ppc64"
+KEYWORDS="~amd64 ~arm64 ~ppc ~ppc64"
 
 BDEPEND="
 	test? (