diff --git a/dev-ml/pa_sexp_conv/Manifest b/dev-ml/pa_sexp_conv/Manifest
new file mode 100644
index 0000000000000..930ade24b6e7d
--- /dev/null
+++ b/dev-ml/pa_sexp_conv/Manifest
@@ -0,0 +1 @@
+DIST pa_sexp_conv-113.00.01.tar.gz 73862 SHA256 f1930b810edd40b5432f17c755400dbf0635f63d86ea5edf2a68f7732801ea51 SHA512 91ad90290d48626a7e1fccb34a632e5ca02ea839f178b52da0ccbea8b27018c79ee8e83e808939e36ddbb78ad348892c53792dd41a2b007b6df947cde85873fd WHIRLPOOL 283050a49d0cf059e66f11abf0f1bef1036d5ee6a43d1c3b3c41e6afe9dcda3cb70ed41827572fc9cc39be2e5b7192793a3bda7041ee9677b633bfe9ba395fe5
diff --git a/dev-ml/pa_sexp_conv/metadata.xml b/dev-ml/pa_sexp_conv/metadata.xml
new file mode 100644
index 0000000000000..ffac4d7ebc016
--- /dev/null
+++ b/dev-ml/pa_sexp_conv/metadata.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+<maintainer type="project">
+	<email>ml@gentoo.org</email>
+	<name>Gentoo ML Project</name>
+</maintainer>
+</pkgmetadata>
diff --git a/dev-ml/pa_sexp_conv/pa_sexp_conv-113.00.01.ebuild b/dev-ml/pa_sexp_conv/pa_sexp_conv-113.00.01.ebuild
new file mode 100644
index 0000000000000..12a8c180975ab
--- /dev/null
+++ b/dev-ml/pa_sexp_conv/pa_sexp_conv-113.00.01.ebuild
@@ -0,0 +1,24 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI="5"
+
+inherit oasis
+
+DESCRIPTION="Deprecated camlp4 syntax extension for sexplib."
+HOMEPAGE="http://www.janestreet.com/ocaml"
+SRC_URI="https://github.com/janestreet/pa_sexp_conv/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="Apache-2.0"
+SLOT="0/${PV}"
+KEYWORDS="~amd64"
+IUSE=""
+
+DEPEND="
+	dev-ml/type-conv:=
+	>=dev-ml/sexplib-113.24:=
+	dev-ml/camlp4:=
+"
+RDEPEND="${DEPEND}"
+DOCS=( README.md )