diff --git a/sdk_container/src/third_party/coreos-overlay/dev-libs/libmspack/libmspack-0.4_alpha.ebuild b/sdk_container/src/third_party/coreos-overlay/dev-libs/libmspack/libmspack-0.4_alpha.ebuild
new file mode 100644
index 0000000000..87055705bc
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/dev-libs/libmspack/libmspack-0.4_alpha.ebuild
@@ -0,0 +1,23 @@
+# Copyright (c) 2014 CoreOS, Inc.. All rights reserved.
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=5
+
+MY_P="${P/_/}"
+
+DESCRIPTION="A library for Microsoft compression formats"
+HOMEPAGE="http://www.cabextract.org.uk/libmspack/"
+SRC_URI="http://www.cabextract.org.uk/libmspack/${MY_P}.tar.gz"
+
+LICENSE="LGPL-2"
+SLOT="0"
+KEYWORDS="amd64"
+IUSE="static-libs"
+
+S="${WORKDIR}/${MY_P}"
+
+src_configure() {
+	econf \
+		--prefix=/usr/share/oem \
+		$(use_enable static-libs static)
+}