diff --git a/dev-util/mock/Manifest b/dev-util/mock/Manifest
index c8ec024441..2572397d7b 100644
--- a/dev-util/mock/Manifest
+++ b/dev-util/mock/Manifest
@@ -1 +1,2 @@
 DIST mock-5.4.tar.gz 173302 BLAKE2B 285a198f99c8733fae9787c95715db7a2c89760d25e8121844dff85a74a6b818e411f93b9f87a2c421e8cc9edd300f060e9cdb13b3622cee0d1d6aa798c94b3d SHA512 8dceb22cf4eafbdca3012268b22430855864f474d68950e1aa01250ce9fb5184bed5662287fb89769d0d945ac47a18c73ab1531137e055246c1aace6055afa6b
+DIST mock-5.5.tar.gz 178460 BLAKE2B b97bd621676b3142c782ff4c61c12a18a65bb2196925c2e4383a38e98547805f23db08e6c92e62cf2f207c9347378f692524b5a64d92299842f80bc1ccff1c1b SHA512 40739f4cd480e43d990650046c91da423422917362accdb0b6ce103833b6929af6b5bd17c8477bf36dcf8c1aabb1cbcdf43ece08559ec87edd9d9c76aaa7f3a9
diff --git a/dev-util/mock/mock-5.5.ebuild b/dev-util/mock/mock-5.5.ebuild
new file mode 100644
index 0000000000..3041eb78aa
--- /dev/null
+++ b/dev-util/mock/mock-5.5.ebuild
@@ -0,0 +1,95 @@
+# Copyright 2023-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..12} )
+
+inherit bash-completion-r1 optfeature python-single-r1
+
+DESCRIPTION="Simple chroot build environment manager for building RPMs"
+HOMEPAGE="
+	https://rpm-software-management.github.io/mock/
+	https://github.com/rpm-software-management/mock/
+"
+SRC_URI="https://github.com/rpm-software-management/mock/releases/download/${P}-1/${P}.tar.gz"
+
+LICENSE="GPL-2+"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="test"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	${PYTHON_DEPS}
+	$(python_gen_cond_dep '
+		app-arch/rpm[python,${PYTHON_SINGLE_USEDEP}]
+		dev-python/backoff[${PYTHON_USEDEP}]
+		dev-python/distro[${PYTHON_USEDEP}]
+		dev-python/pyroute2[${PYTHON_USEDEP}]
+		dev-python/requests[${PYTHON_USEDEP}]
+		dev-python/rpmautospec-core[${PYTHON_USEDEP}]
+		dev-python/templated-dictionary[${PYTHON_USEDEP}]
+	')
+	acct-group/mock
+	app-containers/podman
+	dev-util/distribution-gpg-keys
+	dev-util/mock-core-configs
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	test? ( $(python_gen_cond_dep 'dev-python/pytest[${PYTHON_USEDEP}]') )
+"
+
+src_prepare() {
+	default
+
+	sed -i -e "s|^VERSION\s*=.*|VERSION=\"${PV}\"|" \
+		-e "s|^SYSCONFDIR\s*=.*|SYSCONFDIR=\"${EPREFIX}/etc\"|" \
+		-e "s|^PYTHONDIR\s*=.*|PYTHONDIR=\"$(python_get_sitedir)\"|" \
+		-e "s|^PKGPYTHONDIR\s*=.*|PKGPYTHONDIR=\"$(python_get_sitedir)/mockbuild\"|" \
+		py/mockbuild/constants.py py/mock-parse-buildlog.py || die
+
+	sed -i -e "s|^_MOCK_NVR = None$|_MOCK_NVR = \"${P}-1\"|" py/mock.py || die
+	sed -i -e "s|@VERSION@|${PV}|" docs/mock.1 docs/mock-parse-buildlog.1 || die
+
+	sed -i -e 's|"/bin/free"|"/usr/bin/free"|' py/mockbuild/plugins/hw_info.py || die
+}
+
+src_compile() { :; }
+
+src_install() {
+	python_domodule py/mockbuild
+	python_newscript py/mock.py mock
+	python_newscript py/mock-parse-buildlog.py mock-parse-buildlog
+	dobin mockchain
+
+	exeinto /usr/libexec/mock
+	doexe create_default_route_in_container.sh
+
+	dobashcomp etc/bash_completion.d/mock
+	bashcomp_alias mock mock-parse-buildlog
+	dodoc docs/site-defaults.cfg
+	doman docs/mock.1 docs/mock-parse-buildlog.1
+
+	insinto /etc/mock
+	doins etc/mock/*
+	insinto /etc/pki/mock
+	doins etc/pki/*
+
+	diropts -m0775 -o root -g mock
+	keepdir /var/lib/mock
+}
+
+src_test() {
+	PYTHONPATH=py epytest tests
+}
+
+pkg_postinst() {
+	optfeature "chain mode support" app-arch/createrepo_c
+	optfeature "pigz in root_cache plugin" app-arch/pigz
+	optfeature "nspawn instead of chroot" sys-apps/systemd
+	optfeature "lvm_root plugin support" sys-fs/lvm2
+	optfeature "procenv plugin support" sys-process/procenv
+}