diff --git a/sdk_container/src/third_party/coreos-overlay/app-emulation/acbuild/acbuild-0.2.2.ebuild b/sdk_container/src/third_party/coreos-overlay/app-emulation/acbuild/acbuild-0.2.2.ebuild
new file mode 120000
index 0000000000..64278d411f
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/app-emulation/acbuild/acbuild-0.2.2.ebuild
@@ -0,0 +1 @@
+acbuild-9999.ebuild
\ No newline at end of file
diff --git a/sdk_container/src/third_party/coreos-overlay/app-emulation/acbuild/acbuild-9999.ebuild b/sdk_container/src/third_party/coreos-overlay/app-emulation/acbuild/acbuild-9999.ebuild
new file mode 100644
index 0000000000..ccff4bc59e
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/app-emulation/acbuild/acbuild-9999.ebuild
@@ -0,0 +1,49 @@
+# Copyright (c) 2015 CoreOS, Inc.
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=5
+CROS_WORKON_PROJECT="appc/acbuild"
+CROS_WORKON_REPO="git://github.com"
+CROS_WORKON_LOCALNAME="appc-acbuild"
+COREOS_GO_PACKAGE="github.com/appc/acbuild"
+inherit coreos-go toolchain-funcs cros-workon
+
+if [[ "${PV}" == 9999 ]]; then
+    KEYWORDS="~amd64 ~arm64"
+else
+    CROS_WORKON_COMMIT="e49e7de27443374a5356b7ccd9d9d7691fb5089f" # v0.2.2
+    KEYWORDS="amd64 arm64"
+fi
+
+DESCRIPTION="A build tool for ACIs"
+HOMEPAGE="https://github.com/appc/acbuild"
+SRC_URI=""
+
+LICENSE="Apache-2.0"
+SLOT="0"
+IUSE=""
+
+DEPEND=">=dev-lang/go-1.4.3"
+RDEPEND="sys-apps/kmod
+	app-crypt/gnupg
+	sys-apps/systemd"
+
+src_compile(){
+	if [[ "${PV}" == 9999 ]]; then
+		# set semver
+		local v
+		v=$(git describe --long --dirty) || die
+		v=${v#v}
+		v=${v/-/+}
+		GO_LDFLAGS="-X ${COREOS_GO_PACKAGE}/lib.Version ${v}"
+	else
+		GO_LDFLAGS="-X ${COREOS_GO_PACKAGE}/lib.Version ${PV}"
+	fi
+
+	go_build "${COREOS_GO_PACKAGE}/acbuild"
+}
+
+src_install(){
+	dobin "${WORKDIR}/gopath/bin/acbuild"
+}
+