diff --git a/dev-util/binaryen/Manifest b/dev-util/binaryen/Manifest
new file mode 100644
index 0000000000..cab1aa50be
--- /dev/null
+++ b/dev-util/binaryen/Manifest
@@ -0,0 +1 @@
+DIST binaryen-105.tar.gz 4044314 BLAKE2B e979a46f3c6f8d1acd077973006f9aba6958b5de24f81281cc249c53f046c83226c3e762031845054cc0ade403333c6335b2aba31dcf8b152577d152458dbe1d SHA512 5b16551fab37c660900abeae49fb4e23abc0b61165d326ce4db23959a0eab640df0df03c5649c0bcd35a8515b959a7a9d78d1014c4ea6cb08da4ef48f715f702
diff --git a/dev-util/binaryen/binaryen-105.ebuild b/dev-util/binaryen/binaryen-105.ebuild
new file mode 100644
index 0000000000..742af417c6
--- /dev/null
+++ b/dev-util/binaryen/binaryen-105.ebuild
@@ -0,0 +1,28 @@
+# Copyright 2020-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake
+
+DESCRIPTION="Compiler and toolchain infrastructure library for WebAssembly"
+HOMEPAGE="https://github.com/WebAssembly/binaryen"
+SRC_URI="https://github.com/WebAssembly/binaryen/archive/version_${PV}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}/binaryen-version_${PV}"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64"
+RESTRICT="!test? ( test )"
+
+src_configure() {
+	local mycmakeargs=(
+		-DBUILD_STATIC_LIB=OFF
+		-DENABLE_WERROR=OFF
+	)
+	cmake_src_configure
+}
+
+src_test() {
+	./check.py || die
+}
diff --git a/dev-util/binaryen/metadata.xml b/dev-util/binaryen/metadata.xml
new file mode 100644
index 0000000000..19cddd85de
--- /dev/null
+++ b/dev-util/binaryen/metadata.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>lssndrbarbieri@gmail.com</email>
+		<name>Alessandro Barbieri</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">WebAssembly/binaryen</remote-id>
+	</upstream>
+</pkgmetadata>