diff --git a/dev-ml/psq/Manifest b/dev-ml/psq/Manifest
new file mode 100644
index 0000000000..8914696b16
--- /dev/null
+++ b/dev-ml/psq/Manifest
@@ -0,0 +1 @@
+DIST psq-v0.2.0.tbz 10538 BLAKE2B 87626e0cac63b27d114c0497709d2b4cea55df4045b2033d5104bfacdb67b5286bcdf379a7f68936e852cd0f1260deb2258d0792691d32db406162dd3453e2d4 SHA512 0c570c5fc2bb2348b1ec03507abb4f152673a5d8f92c388c4cd5b7fc43a6e8f514007dbf4fb613503c4e8d5c8d3210b24ac37c546c79d94ebdf6b482e5cde024
diff --git a/dev-ml/psq/metadata.xml b/dev-ml/psq/metadata.xml
new file mode 100644
index 0000000000..14405eed69
--- /dev/null
+++ b/dev-ml/psq/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/psq</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/dev-ml/psq/psq-0.2.0-r2.ebuild b/dev-ml/psq/psq-0.2.0-r2.ebuild
new file mode 100644
index 0000000000..aba4c1da48
--- /dev/null
+++ b/dev-ml/psq/psq-0.2.0-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="Functional Priority Search Queues for OCaml"
+HOMEPAGE="https://github.com/pqwy/psq"
+SRC_URI="https://github.com/pqwy/psq/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/seq"
+DEPEND="
+	${RDEPEND}
+	test? (
+		dev-ml/qcheck
+		dev-ml/alcotest
+	)
+"
+
+RESTRICT="!test? ( test )"