diff --git a/dev-ml/ocaml-syntax-shims/Manifest b/dev-ml/ocaml-syntax-shims/Manifest
new file mode 100644
index 0000000000..fe76e58b88
--- /dev/null
+++ b/dev-ml/ocaml-syntax-shims/Manifest
@@ -0,0 +1 @@
+DIST ocaml-syntax-shims-1.0.0.tar.gz 5806 BLAKE2B b5dc2795a4b28283b24e608ef74566a184caf1f20d2d5c75a77a5050b509f0235a7ada03e112b112e985b7a49dd8000cfafd0bba42d454ae1b2fb97254f9008a SHA512 fa3ba304f1fcc751d41d45687b57e8c5511bbc1b644ea14807f884cf2c6c5275c324ec5f9f55b02b56195af803b2bce7f07afea408fb36f9a6d5d9b85edf6719
diff --git a/dev-ml/ocaml-syntax-shims/metadata.xml b/dev-ml/ocaml-syntax-shims/metadata.xml
new file mode 100644
index 0000000000..d50963512f
--- /dev/null
+++ b/dev-ml/ocaml-syntax-shims/metadata.xml
@@ -0,0 +1,13 @@
+<?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>
+	<longdescription lang="en">This package provides a small utility that backports some of the newer OCaml syntax to older OCaml compilers. This allows adopting new features such as let+ while still keeping compatibility with older OCaml compiler.</longdescription>
+	<upstream>
+		<bugs-to>https://github.com/ocaml-ppx/ocaml-syntax-shims/issues</bugs-to>
+		<remote-id type="github">ocaml-ppx/ocaml-syntax-shims</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/dev-ml/ocaml-syntax-shims/ocaml-syntax-shims-1.0.0.ebuild b/dev-ml/ocaml-syntax-shims/ocaml-syntax-shims-1.0.0.ebuild
new file mode 100644
index 0000000000..523ddf2b36
--- /dev/null
+++ b/dev-ml/ocaml-syntax-shims/ocaml-syntax-shims-1.0.0.ebuild
@@ -0,0 +1,19 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit dune
+
+DESCRIPTION="Backport new syntax to older compilers"
+HOMEPAGE="https://github.com/ocaml-ppx/ocaml-syntax-shims"
+SRC_URI="https://github.com/ocaml-ppx/ocaml-syntax-shims/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+
+SLOT="0/${PV}"
+
+KEYWORDS="~amd64"
+IUSE="ocamlopt test"
+
+RESTRICT="!test? ( test )"