diff --git a/dev-ml/uri/Manifest b/dev-ml/uri/Manifest
new file mode 100644
index 0000000000..a173e62535
--- /dev/null
+++ b/dev-ml/uri/Manifest
@@ -0,0 +1 @@
+DIST uri-4.4.0.tar.gz 233155 BLAKE2B c89158884a529c80b677a1c1bd9e7588e2d99e25a677e33c1c304066f37e95d2348ba0d82389531e38863312bc2ffae345049d368fd96c48e249e4376530df07 SHA512 e9deb58e8813f0a48810dc210b8053abb195453f7de6de22b317822d863b2236624462413c34f67658a40b475db132ad13dd09a76cc30c45f8259f3e9e087358
diff --git a/dev-ml/uri/metadata.xml b/dev-ml/uri/metadata.xml
new file mode 100644
index 0000000000..537c41e59a
--- /dev/null
+++ b/dev-ml/uri/metadata.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>tokusan441@gmail.com</email>
+		<description>Hiroki Tokunaga</description>
+	</maintainer>
+	<upstream>
+		<bugs-to>https://github.com/mirage/ocaml-uri/issues</bugs-to>
+		<remote-id type="github">mirage/ocaml-uri</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/dev-ml/uri/uri-4.4.0.ebuild b/dev-ml/uri/uri-4.4.0.ebuild
new file mode 100644
index 0000000000..47c58829f4
--- /dev/null
+++ b/dev-ml/uri/uri-4.4.0.ebuild
@@ -0,0 +1,40 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit dune
+
+DESCRIPTION="RFC3986 URI parsing library for OCaml"
+HOMEPAGE="https://github.com/mirage/ocaml-uri"
+SRC_URI="https://github.com/mirage/ocaml-uri/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+
+S="${WORKDIR}/ocaml-uri-${PV}"
+
+LICENSE="ISC"
+
+SLOT="0/${PV}"
+
+KEYWORDS="~amd64"
+IUSE="ocamlopt test"
+
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	dev-ml/angstrom:=
+	dev-ml/ppx_sexp_conv:=
+	dev-ml/stringext:=
+	dev-ml/core_bench:=
+"
+
+DEPEND="
+	${RDEPEND}
+"
+
+BDEPEND="
+	test? (
+		dev-ml/ounit2:=
+		dev-ml/crowbar:=
+		dev-ml/core_bench:=
+	)
+"