diff --git a/dev-python/oslo-serialization/Manifest b/dev-python/oslo-serialization/Manifest
new file mode 100644
index 0000000..89982b9
--- /dev/null
+++ b/dev-python/oslo-serialization/Manifest
@@ -0,0 +1 @@
+DIST oslo-serialization-4.1.0.tar.gz 34204 BLAKE2B cfd5737e5cc109040d373e17d57f88f98700505745820bfd96af5385c920fa644a4a3455945024657cb590a51d6c3664e2c745b8547474935225b1b43f50c1d3 SHA512 0273008c80761ab7feef6714900f42110178e1c3ea5826c8adac0c5060d5c27fc0d4ab6ded3ccd67f64a7dbf9a265bfd720e85000ecd76514af4b173cce6777f
diff --git a/dev-python/oslo-serialization/metadata.xml b/dev-python/oslo-serialization/metadata.xml
new file mode 100644
index 0000000..ab620ef
--- /dev/null
+++ b/dev-python/oslo-serialization/metadata.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>openstack@gentoo.org</email>
+		<name>Openstack</name>
+	</maintainer>
+	<maintainer type="person">
+		<email>prometheanfire@gentoo.org</email>
+		<name>Matthew Thode</name>
+	</maintainer>
+	<stabilize-allarches/>
+	<upstream>
+		<remote-id type="pypi">oslo.serialization</remote-id>
+		<remote-id type="launchpad">oslo</remote-id>
+	</upstream>
+</pkgmetadata>
diff --git a/dev-python/oslo-serialization/oslo-serialization-4.1.0.ebuild b/dev-python/oslo-serialization/oslo-serialization-4.1.0.ebuild
new file mode 100644
index 0000000..bf879a5
--- /dev/null
+++ b/dev-python/oslo-serialization/oslo-serialization-4.1.0.ebuild
@@ -0,0 +1,37 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+PYTHON_COMPAT=( python3_{7..9} )
+DISTUTILS_USE_SETUPTOOLS=bdepend
+
+inherit distutils-r1
+
+MY_PN=${PN/-/.}
+
+DESCRIPTION="Oslo Serialization library"
+HOMEPAGE="https://launchpad.net/oslo
+https://opendev.org/openstack/oslo.serialization/"
+SRC_URI="mirror://pypi/${MY_PN:0:1}/${MY_PN}/${MY_PN}-${PV}.tar.gz -> ${P}.tar.gz"
+S="${WORKDIR}/${MY_PN}-${PV}"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~x86"
+IUSE=""
+
+CDEPEND=">=dev-python/pbr-2.0.0[${PYTHON_USEDEP}]
+	!~dev-python/pbr-2.1.0[${PYTHON_USEDEP}]"
+DEPEND="${CDEPEND}"
+RDEPEND="
+	${CDEPEND}
+	>=dev-python/msgpack-0.5.2[${PYTHON_USEDEP}]
+	>=dev-python/oslo-utils-3.33.0[${PYTHON_USEDEP}]
+	>=dev-python/pytz-2013.6[${PYTHON_USEDEP}]
+"
+
+python_prepare_all() {
+	# allow useage of renamed msgpack
+	sed -i '/^msgpack/d' requirements.txt || die
+	distutils-r1_python_prepare_all
+}