diff --git a/dev-ml/ounit2/Manifest b/dev-ml/ounit2/Manifest
index 1110f73cdc234..c555d67220b6b 100644
--- a/dev-ml/ounit2/Manifest
+++ b/dev-ml/ounit2/Manifest
@@ -1 +1,2 @@
 DIST ounit-v2.2.3.tbz 57449 BLAKE2B cf4742c4800ff66551416e243285ae0264f94d1665f795039cd37ad717b09fa3ba5cdfb2380169dfcddea5a27a82373ae892adf11155147a081d734091bf39d8 SHA512 dff04859d263e5f80a1606156d07493d0320a2756d0a7f134c63c53078550c7b056587486922bc66a288413af30c59a7e47157636502c6dd10626cf75587f981
+DIST ounit-v2.2.4.tbz 57558 BLAKE2B 5cb1eaa1233102af49155b46a1a95742c3c6c584901536ce755e6f6386d0d645639b98fdbab236fe20c93c3bde2632bbfc31c5a076f61cc6b9a7f408ac032643 SHA512 d69dc501a360c31f7854322b5e2c2abcb1e43890737e1cc00c167ee104d5dee471b6b8d8186f8044b0482c91a8f15210a25d833a1e03ed7baabfba923815962f
diff --git a/dev-ml/ounit2/ounit2-2.2.4.ebuild b/dev-ml/ounit2/ounit2-2.2.4.ebuild
new file mode 100644
index 0000000000000..b67e4a2fd5118
--- /dev/null
+++ b/dev-ml/ounit2/ounit2-2.2.4.ebuild
@@ -0,0 +1,22 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit dune
+
+DESCRIPTION="Unit testing framework for OCaml"
+HOMEPAGE="https://github.com/gildor478/ounit"
+SRC_URI="https://github.com/gildor478/ounit/releases/download/v${PV}/ounit-v${PV}.tbz"
+S="${WORKDIR}/ounit-v${PV}"
+
+LICENSE="MIT"
+SLOT="0/${PV}"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~x86"
+IUSE="+ocamlopt"
+
+DEPEND="
+	dev-ml/lwt:=
+	dev-ml/stdlib-shims:=
+"
+RDEPEND="${DEPEND}"