diff --git a/dev-cpp/highway/highway-9999.ebuild b/dev-cpp/highway/highway-9999.ebuild
new file mode 100644
index 0000000000..8d96668d7f
--- /dev/null
+++ b/dev-cpp/highway/highway-9999.ebuild
@@ -0,0 +1,35 @@
+# Copyright 2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+
+inherit cmake
+
+DESCRIPTION="Performance-portable, length-agnostic SIMD with runtime dispatch"
+HOMEPAGE="https://github.com/google/highway"
+
+if [[ "${PV}" == *9999* ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/google/highway.git"
+else
+	SRC_URI="https://github.com/google/highway/archive/refs/tags/${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~amd64"
+fi
+
+LICENSE="Apache-2.0"
+SLOT="0"
+IUSE=""
+
+DEPEND=""
+
+BDEPEND=""
+
+RDEPEND="${DEPEND}"
+
+src_configure() {
+	local mycmakeargs=(
+		-DBUILD_TESTING=OFF
+	)
+
+	cmake_src_configure
+}
diff --git a/dev-cpp/highway/metadata.xml b/dev-cpp/highway/metadata.xml
new file mode 100644
index 0000000000..3252651cf3
--- /dev/null
+++ b/dev-cpp/highway/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">
+		<email>dnovomesky@gmail.com</email>
+		<name>Daniel Novomesky</name>
+	</maintainer>
+	<longdescription>
+		Highway is a C++ library for SIMD (Single Instruction, Multiple Data),
+		i.e. applying the same operation to multiple 'lanes' using a single CPU instruction.
+	</longdescription>
+</pkgmetadata>