diff --git a/dev-ml/mirage-clock-unix/Manifest b/dev-ml/mirage-clock-unix/Manifest
new file mode 100644
index 0000000000..a7bc1c7de8
--- /dev/null
+++ b/dev-ml/mirage-clock-unix/Manifest
@@ -0,0 +1 @@
+DIST mirage-clock-v3.1.0.tbz 7716 BLAKE2B 0cd18f0969e040456d6335b97f151b8d37bc25cbfa6a24dd4a62a6ee8548b536445966e4a18a398915eb256ba461c5262c69598ac7e7188aee331c2094e4fc4b SHA512 a1dbac3ae5671e02d77ebe5b9d8c53d787c0fcce59ec74a5d5ebd5ed28919d838ef6ab1c00ee18e0c261f7bafcb86de34548f1271129838b77654ee1a82ca4ff
diff --git a/dev-ml/mirage-clock-unix/metadata.xml b/dev-ml/mirage-clock-unix/metadata.xml
new file mode 100644
index 0000000000..4cbec58af6
--- /dev/null
+++ b/dev-ml/mirage-clock-unix/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">mirage/mirage-clock</remote-id>
+    </upstream>
+</pkgmetadata>
diff --git a/dev-ml/mirage-clock-unix/mirage-clock-unix-3.1.0.ebuild b/dev-ml/mirage-clock-unix/mirage-clock-unix-3.1.0.ebuild
new file mode 100644
index 0000000000..7df285588e
--- /dev/null
+++ b/dev-ml/mirage-clock-unix/mirage-clock-unix-3.1.0.ebuild
@@ -0,0 +1,22 @@
+# Copyright 2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit dune
+
+BASE_PN="mirage-clock"
+
+DESCRIPTION="Unix-based implementation for the MirageOS Clock interface"
+HOMEPAGE="https://github.com/mirage/mirage-clock"
+SRC_URI="https://github.com/mirage/mirage-clock/releases/download/v${PV}/${BASE_PN}-v${PV}.tbz"
+S="${WORKDIR}/${BASE_PN}-v${PV}"
+
+LICENSE="ISC"
+SLOT="0/${PV}"
+KEYWORDS="~amd64"
+IUSE="ocamlopt"
+
+DEPEND="dev-ml/mirage-clock:="
+RDEPEND="${DEPEND}"
+BDEPEND="dev-ml/dune-configurator"