diff --git a/dev-ml/lru/Manifest b/dev-ml/lru/Manifest
new file mode 100644
index 0000000000..454a6f0402
--- /dev/null
+++ b/dev-ml/lru/Manifest
@@ -0,0 +1 @@
+DIST lru-v0.3.0.tbz 9740 BLAKE2B 555c883f603a3981a5de336e72ef13b177b81499986a3a25a1a21b62fe18297f351ddfc7809759411af8217abfb4452e64061964fb42b67688527472fc868283 SHA512 b4d23089bc73bd5b0bdaa977d6e65982486def1c4fd35a2a24655adb22377692927752de2d8373fc0f751a4ec5cf905546b8754320acb01308ce43fa42288112
diff --git a/dev-ml/lru/lru-0.3.0-r2.ebuild b/dev-ml/lru/lru-0.3.0-r2.ebuild
new file mode 100644
index 0000000000..a8f6321eb4
--- /dev/null
+++ b/dev-ml/lru/lru-0.3.0-r2.ebuild
@@ -0,0 +1,27 @@
+# Copyright 2019-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit dune
+
+DESCRIPTION="Scalable LRU caches for OCaml"
+HOMEPAGE="https://github.com/pqwy/lru"
+SRC_URI="https://github.com/pqwy/lru/releases/download/v${PV}/${PN}-v${PV}.tbz"
+S="${WORKDIR}/${PN}-v${PV}"
+
+LICENSE="ISC"
+SLOT="0/${PV}"
+KEYWORDS="~amd64"
+IUSE="ocamlopt test"
+
+RDEPEND="dev-ml/psq"
+DEPEND="
+	${RDEPEND}
+	test? (
+		dev-ml/alcotest
+		dev-ml/qcheck
+	)
+"
+
+RESTRICT="!test? ( test )"
diff --git a/dev-ml/lru/metadata.xml b/dev-ml/lru/metadata.xml
new file mode 100644
index 0000000000..e7e365d7b1
--- /dev/null
+++ b/dev-ml/lru/metadata.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<description>co-maintainers welcome</description>
+		<email>lssndrbarbieri@gmail.com</email>
+		<name>Alessandro Barbieri</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">pqwy/lru</remote-id>
+	</upstream>
+</pkgmetadata>