diff --git a/dev-python/pymongo/Manifest b/dev-python/pymongo/Manifest
index a2488b68c7ea..d8560e62f6db 100644
--- a/dev-python/pymongo/Manifest
+++ b/dev-python/pymongo/Manifest
@@ -2,3 +2,4 @@ DIST mongo-python-driver-4.11.3.gh.tar.gz 2112671 BLAKE2B 2c19b974461657b805484a
 DIST mongo-python-driver-4.12.0.gh.tar.gz 2221078 BLAKE2B 6e8dafe59276d435aa547bb356871e0876c51dd963330ff347963583a22b342ef55fce490279889d77e97efd536de6ec8daeb9a81ee7a0db968385adc5c63273 SHA512 309dd5d21b700392b0a6f1c18392bc53f1777dab5772aa8def6075aab67091eaa9d0382188d1d46d8c9d4997ffd54449a8b7c87e32e80a07ac59a5f177cd5719
 DIST mongo-python-driver-4.12.1.gh.tar.gz 2225240 BLAKE2B 253f99faf6507a0a1285120c6b4e73a7866552091b35b3502c390e6d3e2bbe62f0fcdd5c9a2368dd5d6f74c16ab90ef39be1a1c6f9c2fef4420b66a6bad1c718 SHA512 cf7a1ea99a99f82d4434b25d6d2678734700ebd17cca9d4e1ad704e70fe10ae31b49e377930ce8781ec40b2898443d59d8eb0e302793424ab2b06b8b76df07cf
 DIST mongo-python-driver-4.13.0.gh.tar.gz 2225613 BLAKE2B e5532776e494b75a0beadb5bb20d087e3002f58c8e0214fe968aad907e90a8bd53a9dc7124dace600f9e673d1c4ce867672e3ebe3f59438923a3693d5dbf15ff SHA512 bb4a5f96614c16503eff8c9dd67cf8a8700ce05078417cb847ac136d1ebb36edc591bd8dda3c4bf8ba4f25adb6d30e15a3e2870ef6180859b912cdc089d7f97a
+DIST mongo-python-driver-4.13.1.gh.tar.gz 2225917 BLAKE2B 2c02e608f54c68abebb69cd61f16c79c8388301e6ebe77a73959ba3dbe086c878b3afd1523f6943ddfca228e1115cbaade49c29c2e5bb620feab9214dcbfba11 SHA512 8baf5548d5772fa62fef2a4ac2fa7dc83bcf7fda178410e9bf675679ea77976f72548a0794ced6856ea538d02403a3c522a66cbf2e37f506b4546489a689ce92
diff --git a/dev-python/pymongo/pymongo-4.13.1.ebuild b/dev-python/pymongo/pymongo-4.13.1.ebuild
new file mode 100644
index 000000000000..e28f10f16b51
--- /dev/null
+++ b/dev-python/pymongo/pymongo-4.13.1.ebuild
@@ -0,0 +1,201 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_EXT=1
+DISTUTILS_USE_PEP517=hatchling
+PYTHON_COMPAT=( pypy3_11 python3_{11..14} )
+
+inherit check-reqs distutils-r1
+
+MY_P=mongo-python-driver-${PV}
+DESCRIPTION="Python driver for MongoDB"
+HOMEPAGE="
+	https://github.com/mongodb/mongo-python-driver/
+	https://pypi.org/project/pymongo/
+"
+SRC_URI="
+	https://github.com/mongodb/mongo-python-driver/archive/${PV}.tar.gz
+		-> ${MY_P}.gh.tar.gz
+"
+S=${WORKDIR}/${MY_P}
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+IUSE="doc kerberos +native-extensions +test-full"
+
+RDEPEND="
+	<dev-python/dnspython-3.0.0[${PYTHON_USEDEP}]
+	kerberos? ( dev-python/kerberos[${PYTHON_USEDEP}] )
+"
+BDEPEND="
+	dev-python/setuptools[${PYTHON_USEDEP}]
+	test? (
+		dev-python/pytest-asyncio[${PYTHON_USEDEP}]
+		dev-python/pytest-rerunfailures[${PYTHON_USEDEP}]
+		test-full? (
+			>=dev-db/mongodb-2.6.0
+		)
+	)
+"
+
+distutils_enable_sphinx doc
+distutils_enable_tests pytest
+
+reqcheck() {
+	if use test && use test-full; then
+		# During the tests, database size reaches 1.5G.
+		local CHECKREQS_DISK_BUILD=1536M
+
+		check-reqs_${1}
+	fi
+}
+
+pkg_pretend() {
+	reqcheck pkg_pretend
+}
+
+pkg_setup() {
+	reqcheck pkg_setup
+}
+
+src_prepare() {
+	distutils-r1_src_prepare
+	# we do not want hatch-requirements-txt and its ton of NIH deps
+	sed -i -e '/requirements/d' pyproject.toml || die
+}
+
+python_compile() {
+	# causes build errors to be fatal
+	local -x TOX_ENV_NAME=whatever
+	local DISTUTILS_ARGS=()
+	# unconditionally implicitly disabled on pypy3
+	if ! use native-extensions; then
+		export NO_EXT=1
+	else
+		export PYMONGO_C_EXT_MUST_BUILD=1
+		unset NO_EXT
+	fi
+
+	distutils-r1_python_compile
+
+	# upstream forces setup.py build_ext -i in their setuptools hack
+	find -name '*.so' -delete || die
+}
+
+python_test() {
+	rm -rf bson pymongo || die
+
+	local -x PYTEST_DISABLE_PLUGIN_AUTOLOAD=1
+	local EPYTEST_DESELECT=(
+		# network-sandbox
+		test/asynchronous/test_client.py::AsyncClientUnitTest::test_connection_timeout_ms_propagates_to_DNS_resolver
+		test/asynchronous/test_client.py::AsyncClientUnitTest::test_detected_environment_logging
+		test/asynchronous/test_client.py::AsyncClientUnitTest::test_detected_environment_warning
+		test/asynchronous/test_client.py::TestClient::test_service_name_from_kwargs
+		test/asynchronous/test_client.py::TestClient::test_srv_max_hosts_kwarg
+		test/test_client.py::ClientUnitTest::test_connection_timeout_ms_propagates_to_DNS_resolver
+		test/test_client.py::ClientUnitTest::test_detected_environment_logging
+		test/test_client.py::ClientUnitTest::test_detected_environment_warning
+		test/test_client.py::TestClient::test_service_name_from_kwargs
+		test/test_client.py::TestClient::test_srv_max_hosts_kwarg
+		test/test_dns.py::TestCaseInsensitive::test_connect_case_insensitive
+		test/asynchronous/test_dns.py::IsolatedAsyncioTestCaseInsensitive::test_connect_case_insensitive
+		test/test_srv_polling.py
+		test/asynchronous/test_srv_polling.py
+		test/test_uri_spec.py::TestAllScenarios::test_test_uri_options_srv-options_SRV_URI_with_custom_srvServiceName
+		test/test_uri_spec.py::TestAllScenarios::test_test_uri_options_srv-options_SRV_URI_with_invalid_type_for_srvMaxHosts
+		test/test_uri_spec.py::TestAllScenarios::test_test_uri_options_srv-options_SRV_URI_with_negative_integer_for_srvMaxHosts
+		test/test_uri_spec.py::TestAllScenarios::test_test_uri_options_srv-options_SRV_URI_with_positive_srvMaxHosts_and_loadBalanced=fa
+		test/test_uri_spec.py::TestAllScenarios::test_test_uri_options_srv-options_SRV_URI_with_srvMaxHosts
+		test/test_uri_spec.py::TestAllScenarios::test_test_uri_options_srv-options_SRV_URI_with_srvMaxHosts=0_and_loadBalanced=true
+		test/test_uri_spec.py::TestAllScenarios::test_test_uri_options_srv-options_SRV_URI_with_srvMaxHosts=0_and_replicaSet
+
+		# broken regularly by changes in mypy
+		test/test_typing.py::TestMypyFails::test_mypy_failures
+
+		# fragile to timing? fails because we're getting too many logs
+		test/test_connection_logging.py::TestConnectionLoggingConnectionPoolOptions::test_maxConnecting_should_be_included_in_connection_pool_created_message_when_specified
+
+		# hangs?
+		test/asynchronous/test_grid_file.py::AsyncTestGridFile::test_small_chunks
+
+		# broken async tests?
+		test/asynchronous/test_encryption.py
+
+		# -Werror
+		test/test_read_preferences.py::TestMongosAndReadPreference::test_read_preference_hedge_deprecated
+		test/asynchronous/test_read_preferences.py::TestMongosAndReadPreference::test_read_preference_hedge_deprecated
+
+		# fragile to timing? Internet?
+		test/test_client.py::TestClient::test_repr_srv_host
+		test/asynchronous/test_client.py::TestClient::test_repr_srv_host
+		test/asynchronous/test_ssl.py::TestSSL::test_pyopenssl_ignored_in_async
+	)
+
+	if ! use test-full; then
+		# .invalid is guaranteed to return NXDOMAIN per RFC 6761
+		local -x DB_IP=mongodb.invalid
+		epytest -p asyncio
+		return
+	fi
+
+	# Yes, we need TCP/IP for that...
+	local -x DB_IP=127.0.0.1
+	local -x DB_PORT=27000
+
+	local dbpath=${TMPDIR}/mongo.db
+	local logpath=${TMPDIR}/mongod.log
+
+	local failed=
+	mkdir -p "${dbpath}" || die
+	while true; do
+		ebegin "Trying to start mongod on port ${DB_PORT}"
+
+		# mongodb is extremely inefficient
+		# https://www.mongodb.com/docs/manual/reference/ulimit/#review-and-set-resource-limits
+		ulimit -n 64000 || die
+
+		local mongod_options=(
+			--dbpath "${dbpath}"
+			--bind_ip "${DB_IP}"
+			--port "${DB_PORT}"
+			--unixSocketPrefix "${TMPDIR}"
+			--logpath "${logpath}"
+			--fork
+
+			# try to reduce resource use
+			--wiredTigerCacheSizeGB 0.25
+		)
+
+		LC_ALL=C mongod "${mongod_options[@]}" && sleep 2
+
+		# Now we need to check if the server actually started...
+		if [[ ${?} -eq 0 && -S "${TMPDIR}"/mongodb-${DB_PORT}.sock ]]; then
+			# yay!
+			eend 0
+			break
+		elif grep -q 'Address already in use' "${logpath}"; then
+			# ay, someone took our port!
+			eend 1
+			: $(( DB_PORT += 1 ))
+			continue
+		else
+			eend 1
+			eerror "Unable to start mongod for tests. See the server log:"
+			eerror "	${logpath}"
+			die "Unable to start mongod for tests."
+		fi
+	done
+
+	nonfatal epytest -p asyncio -p rerunfailures --reruns=5 \
+		-m "default or default_async or encryption" || failed=1
+
+	mongod --dbpath "${dbpath}" --shutdown || die
+
+	[[ ${failed} ]] && die "Tests fail with ${EPYTHON}"
+
+	rm -rf "${dbpath}" || die
+}