diff --git a/dev-ml/ppx_yojson_conv_lib/Manifest b/dev-ml/ppx_yojson_conv_lib/Manifest
new file mode 100644
index 0000000000..bf6c15970f
--- /dev/null
+++ b/dev-ml/ppx_yojson_conv_lib/Manifest
@@ -0,0 +1 @@
+DIST ppx_yojson_conv_lib-0.17.0.tar.gz 7370 BLAKE2B a9acbbee702eb670e6e4258bb91144337b4da7ad336e8c3b8b2b9995a8de26ebc8376aea356fed6c3c1111307c27161c87aed116669f282f4f91501493652d79 SHA512 a14fb7fc41ab9a27bf74582617d26b1d3e3e959a05b1f3848180d58480da33390f16d2da276a1adfa2865913f21866d35bfa747330b288b7d37780d43afed954
diff --git a/dev-ml/ppx_yojson_conv_lib/metadata.xml b/dev-ml/ppx_yojson_conv_lib/metadata.xml
new file mode 100644
index 0000000000..70f4d68707
--- /dev/null
+++ b/dev-ml/ppx_yojson_conv_lib/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>
+		<name>Hiroki Tokunaga</name>
+	</maintainer>
+	<upstream>
+		<bugs-to>https://github.com/janestreet/ppx_yojson_conv_lib/issues</bugs-to>
+		<remote-id type="github">janestreet/ppx_yojson_conv_lib</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/dev-ml/ppx_yojson_conv_lib/ppx_yojson_conv_lib-0.17.0.ebuild b/dev-ml/ppx_yojson_conv_lib/ppx_yojson_conv_lib-0.17.0.ebuild
new file mode 100644
index 0000000000..479ee8717c
--- /dev/null
+++ b/dev-ml/ppx_yojson_conv_lib/ppx_yojson_conv_lib-0.17.0.ebuild
@@ -0,0 +1,27 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit dune
+
+DESCRIPTION="Runtime lib for ppx_yojson_conv"
+HOMEPAGE="https://github.com/janestreet/ppx_yojson_conv_lib"
+SRC_URI="https://github.com/janestreet/ppx_yojson_conv_lib/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+
+SLOT="0/${PV}"
+
+KEYWORDS="~amd64"
+IUSE="ocamlopt test"
+
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=dev-ml/yojson-1.7.0:=
+"
+
+DEPEND="
+	${RDEPEND}
+"