diff --git a/dev-ml/crc/Manifest b/dev-ml/crc/Manifest
new file mode 100644
index 0000000000..b7c99024c3
--- /dev/null
+++ b/dev-ml/crc/Manifest
@@ -0,0 +1 @@
+DIST crc-2.1.0.tar.gz 6889 BLAKE2B 10ef45c0c66bea7fcc13d177d23efa28862b79650529791f95867dc203e671cdc60f8b138d74bdd1f02c96ebf4bb67c02ab7cfd39197b9bc387652af76b75bab SHA512 136370780a6ae020d596aa5f16133a7038beaa41bf770153e789ab4a1aa678d36b646b8c9ba81a642d1e6c067e3999dd84d81bccc3245ba9798c75b7ff7396a8
diff --git a/dev-ml/crc/crc-2.1.0.ebuild b/dev-ml/crc/crc-2.1.0.ebuild
new file mode 100644
index 0000000000..c2ffd4341b
--- /dev/null
+++ b/dev-ml/crc/crc-2.1.0.ebuild
@@ -0,0 +1,30 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit dune
+
+MYPN="ocaml-${PN}"
+
+DESCRIPTION="Library for finding the CRC of parts of various kinds of data in-place"
+HOMEPAGE="https://github.com/xapi-project/ocaml-crc"
+SRC_URI="https://github.com/xapi-project/${MYPN}/archive/refs/tags/${PV}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}/${MYPN}-${PV}"
+
+LICENSE="ISC"
+SLOT="0/${PV}"
+KEYWORDS="~amd64"
+IUSE="ocamlopt test"
+
+DEPEND="
+	dev-ml/cstruct
+	dev-ml/rpc
+	dev-ml/ppx_sexp_conv
+"
+RDEPEND="
+	${DEPEND}
+	test? ( dev-ml/ounit )
+"
+
+RESTRICT="!test? ( test )"
diff --git a/dev-ml/crc/metadata.xml b/dev-ml/crc/metadata.xml
new file mode 100644
index 0000000000..7853df327d
--- /dev/null
+++ b/dev-ml/crc/metadata.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="person">
+    <email>lssndrbarbieri@gmail.com</email>
+    <name>Alessandro Barbieri</name>
+  </maintainer>
+  <upstream>
+    <remote-id type="github">xapi-project/ocaml-crc</remote-id>
+  </upstream>
+</pkgmetadata>