diff --git a/dev-ml/ca-certs/Manifest b/dev-ml/ca-certs/Manifest
index c90323a187..5cdcf8625a 100644
--- a/dev-ml/ca-certs/Manifest
+++ b/dev-ml/ca-certs/Manifest
@@ -1 +1,2 @@
 DIST ca-certs-v0.2.1.tbz 26566 BLAKE2B e48c5230501ba790acb5abf078c0a3e3eb26da7a7ba946c001d2c37b8d45952ebc1e8fa7f4ee033e944e18cb9dbe1598be336d29b41e4f04d74006b6d790f319 SHA512 5b337812047e75b97218d0fc28d13dd37c8aebe2672954679884d3eb3ddda59c9678aea2a66dd66def4b2eb0a6b9e25812a95a5e8cae47c074759b2e9ff7a3c9
+DIST ca-certs-v0.2.2.tbz 27138 BLAKE2B c5e2c1d0be29b3ea05739bf74ff53080da6b7ba5d2b34460c901eac8e8c705aa9b8eb0c1042e371899a56ea80ef833b50ad25220c3708bc9cc715cfebbb6bea8 SHA512 70e564a5bb69a66018ff3387bf7b4b6af2ec1507d9f2f140f2aa8519e405920ec1469e56d1fa2aa8b452d05531a35f22df2c1ac08071f9a322525e95de8e3e1f
diff --git a/dev-ml/ca-certs/ca-certs-0.2.2.ebuild b/dev-ml/ca-certs/ca-certs-0.2.2.ebuild
new file mode 100644
index 0000000000..135cc848ef
--- /dev/null
+++ b/dev-ml/ca-certs/ca-certs-0.2.2.ebuild
@@ -0,0 +1,41 @@
+# Copyright 2020-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit dune
+
+MY_P="${PN}-v${PV}"
+
+DESCRIPTION="Detect root CA certificates from the operating system"
+HOMEPAGE="
+	https://github.com/mirage/ca-certs
+	https://opam.ocaml.org/packages/ca-certs/
+"
+SRC_URI="https://github.com/mirage/${PN}/releases/download/v${PV}/${MY_P}.tbz"
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="ISC"
+SLOT="0/${PV}"
+KEYWORDS="~amd64"
+IUSE="ocamlopt test"
+
+RDEPEND="
+	>=dev-lang/ocaml-4.08.0:=[ocamlopt?]
+	dev-ml/astring:=
+	dev-ml/bos:=
+	dev-ml/fpath:=
+	dev-ml/ptime:=
+	dev-ml/logs:=
+	dev-ml/mirage-crypto:=
+	>=dev-ml/x509-0.13.0:=
+"
+DEPEND="
+	${RDEPEND}
+	test? (
+		dev-ml/alcotest
+		>=dev-ml/fmt-0.8.7
+	)
+"
+
+RESTRICT="!test? ( test )"