diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-base/coreos-sb-keys/coreos-sb-keys-0.0.1.ebuild b/sdk_container/src/third_party/coreos-overlay/coreos-base/coreos-sb-keys/coreos-sb-keys-0.0.1.ebuild
index 8af32d3d22..ac8c0c70d1 100644
--- a/sdk_container/src/third_party/coreos-overlay/coreos-base/coreos-sb-keys/coreos-sb-keys-0.0.1.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/coreos-base/coreos-sb-keys/coreos-sb-keys-0.0.1.ebuild
@@ -8,7 +8,7 @@ HOMEPAGE=""
 SRC_URI=""
 LICENSE="BSD"
 SLOT="0"
-KEYWORDS="amd64 arm x86"
+KEYWORDS="amd64 arm arm64 x86"
 IUSE=""
 
 S="${WORKDIR}"
@@ -21,4 +21,4 @@ src_install() {
 	newins "${FILESDIR}/KEK.crt" KEK.crt
 	newins "${FILESDIR}/DB.key" DB.key
 	newins "${FILESDIR}/DB.crt" DB.crt
-}
\ No newline at end of file
+}
diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-base/cros-devutils/cros-devutils-9999.ebuild b/sdk_container/src/third_party/coreos-overlay/coreos-base/cros-devutils/cros-devutils-9999.ebuild
index 07dc355996..7317baa630 100644
--- a/sdk_container/src/third_party/coreos-overlay/coreos-base/cros-devutils/cros-devutils-9999.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/coreos-base/cros-devutils/cros-devutils-9999.ebuild
@@ -8,10 +8,10 @@ CROS_WORKON_LOCALNAME="dev"
 CROS_WORKON_LOCALDIR="src/platform"
 
 if [[ "${PV}" == 9999 ]]; then
-	KEYWORDS="~amd64 ~arm ~x86"
+	KEYWORDS="~amd64 ~arm64 ~arm ~x86"
 else
 	CROS_WORKON_COMMIT="7b48efb82f5acfe135ea6e0ec2c9c5ee957d64d2" # flatcar-master
-	KEYWORDS="amd64 arm x86"
+	KEYWORDS="amd64 arm arm64 x86"
 fi
 
 inherit cros-workon multilib python-utils-r1
diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-base/hard-host-depends/hard-host-depends-0.0.1.ebuild b/sdk_container/src/third_party/coreos-overlay/coreos-base/hard-host-depends/hard-host-depends-0.0.1.ebuild
index 16f32e7b59..b9ad7bb0f9 100644
--- a/sdk_container/src/third_party/coreos-overlay/coreos-base/hard-host-depends/hard-host-depends-0.0.1.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/coreos-base/hard-host-depends/hard-host-depends-0.0.1.ebuild
@@ -8,7 +8,7 @@ HOMEPAGE="http://src.chromium.org"
 
 LICENSE="GPL-2"
 SLOT="0"
-KEYWORDS="amd64 x86"
+KEYWORDS="amd64 arm64 x86"
 IUSE=""
 
 # Needed to run setup crossdev, run build scripts, and make a bootable image.
diff --git a/sdk_container/src/third_party/coreos-overlay/coreos-devel/sdk-depends/sdk-depends-0.0.1.ebuild b/sdk_container/src/third_party/coreos-overlay/coreos-devel/sdk-depends/sdk-depends-0.0.1.ebuild
index 9495dcd947..7460742637 100644
--- a/sdk_container/src/third_party/coreos-overlay/coreos-devel/sdk-depends/sdk-depends-0.0.1.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/coreos-devel/sdk-depends/sdk-depends-0.0.1.ebuild
@@ -10,7 +10,7 @@ SRC_URI=""
 
 LICENSE="GPL-2"
 SLOT="0"
-KEYWORDS="amd64"
+KEYWORDS="amd64 arm64"
 IUSE=""
 
 DEPEND="
diff --git a/sdk_container/src/third_party/coreos-overlay/dev-util/crosutils/crosutils-0.0.1-r1290.ebuild b/sdk_container/src/third_party/coreos-overlay/dev-util/crosutils/crosutils-0.0.1-r1290.ebuild
index afb13fe73a..c474b0bfd1 100644
--- a/sdk_container/src/third_party/coreos-overlay/dev-util/crosutils/crosutils-0.0.1-r1290.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/dev-util/crosutils/crosutils-0.0.1-r1290.ebuild
@@ -14,7 +14,7 @@ HOMEPAGE="http://www.chromium.org/chromium-os"
 
 LICENSE="BSD"
 SLOT="0"
-KEYWORDS="amd64"
+KEYWORDS="amd64 arm64"
 IUSE=""
 
 src_configure() {
diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/arm64/package.accept_keywords b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/arm64/package.accept_keywords
index 07366649e3..481ab366ad 100644
--- a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/arm64/package.accept_keywords
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/arm64/package.accept_keywords
@@ -3,12 +3,20 @@
 
 =app-arch/bzip2-1.0.6-r8 ~arm64
 =app-arch/libarchive-3.3.1 ~arm64
+~app-arch/pbzip2-1.1.12 ~arm64
+=app-arch/pigz-2.3.3 ~arm64
 =app-crypt/mit-krb5-1.14.2 ~arm64
+=app-emulation/open-vmdk-1.0 *
+=app-eselect/eselect-rust-20190311 ~arm64
+app-misc/editor-wrapper *
 =app-text/asciidoc-8.6.9-r3 ~arm64
 =dev-cpp/gflags-2.2.0 ~arm64
 =dev-cpp/glog-0.3.4-r1 ~arm64
+=dev-embedded/u-boot-tools-2019.10 ~arm64
+=dev-lang/nasm-2.14.02 *
 =dev-lang/perl-5.24.1-r2 ~arm64
 =dev-lang/swig-3.0.12 ~arm64
+=dev-lang/yasm-1.3.0 ~arm64
 =dev-libs/ding-libs-0.4.0 **
 =dev-libs/elfutils-0.169-r1 ~arm64
 =dev-libs/libassuan-2.5.1 ~arm64
@@ -21,9 +29,25 @@
 =dev-libs/userspace-rcu-0.9.1 **
 =dev-perl/libintl-perl-1.240.0-r2 ~arm64
 =dev-perl/Text-Unidecode-1.270.0 ~arm64
+=dev-python/astroid-1.4.8 *
+=dev-python/backports-functools-lru-cache-1.3 *
+=dev-python/configparser-3.5.0 *
+=dev-python/ctypesgen-0_p72-r1 *
+=dev-python/flake8-2.5.4 ~arm64
+=dev-python/isort-4.2.5 *
+=dev-python/lazy-object-proxy-1.2.1 *
+=dev-python/mako-1.0.3 ~arm64
+=dev-python/mccabe-0.2.1 *
+dev-python/pep8 ~arm64
+=dev-python/pyflakes-0.8.1 *
+=dev-python/pylint-1.6.5-r1 *
+=dev-python/wrapt-1.10.5 *
+dev-util/checkbashisms *
 =dev-util/meson-0.43.0 ~arm64
 =dev-util/ninja-1.8.2 ~arm64
 =dev-util/re2c-0.16 ~arm64
+dev-util/patchelf *
+dev-util/shflags *
 =net-analyzer/nmap-7.40 ~arm64
 =net-analyzer/tcpdump-4.9.2 ~arm64
 =net-dialup/minicom-2.7.1 ~arm64
@@ -46,23 +70,37 @@
 =net-misc/socat-1.7.3.2 ~arm64
 =net-nds/openldap-2.4.44 ~arm64
 =perl-core/File-Path-2.130.0 ~arm64
+sys-apps/checkpolicy *
+sys-apps/debianutils *
+sys-apps/dtc ~arm64
 =sys-apps/i2c-tools-3.1.1-r1 ~arm64
 =sys-apps/lshw-02.17b-r2 **
 =sys-apps/man-db-2.7.6.1-r2 ~arm64
+sys-apps/policycoreutils *
+=sys-apps/pv-1.3.4 *
 =sys-apps/rng-tools-5-r2 **
 =sys-apps/sandbox-2.12 ~arm64
 =sys-apps/smartmontools-6.4 **
 =sys-block/parted-3.2-r1 ~arm64
 =sys-block/thin-provisioning-tools-0.7.0 ~arm64
+=sys-boot/efibootmgr-15 ~arm64
+=sys-boot/gnu-efi-3.0.3 ~arm64
 =sys-cluster/ipvsadm-1.27-r1 **
 =sys-firmware/edk2-aarch64-18.02 **
+=sys-firmware/ipxe-1.0.0_p20190728 ~arm64
+=sys-firmware/seabios-1.12.0 ~arm64
+~sys-firmware/sgabios-0.1_pre8 ~arm64
 =sys-fs/btrfs-progs-4.10.2 ~arm64
 =sys-fs/btrfs-progs-4.19.1 ~arm64
 =sys-fs/cryptsetup-1.7.5 ~arm64
 =sys-fs/lsscsi-0.28 ~arm64
 =sys-fs/quota-4.04-r1 ~arm64
 =sys-libs/binutils-libs-2.29.1-r1 ~arm64
+=sys-libs/efivar-31 ~arm64
 =sys-libs/libcap-ng-0.7.8 ~arm64
+=sys-power/iasl-20161222 ~arm64
 =virtual/krb5-0-r1 ~arm64
 =virtual/libusb-1-r2 ~arm64
 =virtual/perl-File-Path-2.130.0 ~arm64
+=virtual/cdrtools-0 *
+=x11-libs/pixman-0.32.8 ~arm64
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-devel/sysroot-wrappers/sysroot-wrappers-0.1.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-devel/sysroot-wrappers/sysroot-wrappers-0.1.ebuild
index 6655b2969a..32a23b8d89 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-devel/sysroot-wrappers/sysroot-wrappers-0.1.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/sys-devel/sysroot-wrappers/sysroot-wrappers-0.1.ebuild
@@ -9,7 +9,7 @@ SRC_URI="https://github.com/coreos/${PN}/releases/download/v${PV}/${P}.tar.gz"
 
 LICENSE="GPL-3"
 SLOT="0"
-KEYWORDS="amd64"
+KEYWORDS="amd64 arm64"
 IUSE=""
 
 # Probably can be reduced in later versions but