diff --git a/sdk_container/src/third_party/coreos-overlay/virtual/linux-sources/linux-sources-2-r1.ebuild b/sdk_container/src/third_party/coreos-overlay/virtual/linux-sources/linux-sources-2-r1.ebuild
index ce708d5780..d8473fd1f6 100644
--- a/sdk_container/src/third_party/coreos-overlay/virtual/linux-sources/linux-sources-2-r1.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/virtual/linux-sources/linux-sources-2-r1.ebuild
@@ -8,7 +8,7 @@ HOMEPAGE="http://www.coreos.com"
 
 LICENSE="GPL-2"
 SLOT="0"
-KEYWORDS="amd64 arm x86"
+KEYWORDS="amd64 arm arm64 x86"
 IUSE="cros_host"
 
 RDEPEND="