diff --git a/net-im/synapse/Manifest b/net-im/synapse/Manifest
index 98847f7db5417..33e76874a3b8f 100644
--- a/net-im/synapse/Manifest
+++ b/net-im/synapse/Manifest
@@ -207,6 +207,7 @@ DIST synapse-1.135.2.gh.tar.gz 9076454 BLAKE2B b420806caf9ccfc608170cdf2db04acd3
 DIST synapse-1.136.0.gh.tar.gz 9115501 BLAKE2B bcca6ed246e0d86f568b45fb90627c10aa3d47968a0b5afee8b4c9cfcae4d5ae7aa8142d84786a9a124723d4798a3fcffcd2f4d675f061c4b215a36261bc9a2d SHA512 3f7293747b41e6c7603a004cb38c55cdc69fefcdd61ac4e10e95ff9c6d0a5bf5113a13933747bb8fd7c5ca2c2126df2bcfe709807aafc05bd0748e1e9793330d
 DIST synapse-1.137.0.gh.tar.gz 9113083 BLAKE2B 6f6a5a7d5058036c9fcce62cd9ca5a6fe0e7c65c54fc2a558568f92c971f2db9dcf060188b3723d7545998c9e2ca53c7de20514d3b52ff5ec5ae02fbd20237d9 SHA512 356ef08bb11dbe11f854dc17efd24c80394bcc4cf0a542ee1f0fb97c9322b2ef2ee80e0b3ab393bf75f98f314fcc391833ed9471963aec82c328defc58b05cbf
 DIST synapse-1.138.0.gh.tar.gz 9114217 BLAKE2B 020c88fecdc8253ee5f9c5f6006c7b5fd7d7c2a563f776aaaa65f9ecaba17e85017216330401b93588f1582c5b6157cc9e98c23dd725d4741b6565c0cbbb15b9 SHA512 8f6d10e8c6c3078c2c84229d3d542725c6bc065948587b704faaa2d01b3361a300d76df6823d04dff41b0d6b8296a1dd79eaaf34c606577b29762d7760fb938d
+DIST synapse-1.138.2.gh.tar.gz 9116689 BLAKE2B 54b8a30f6dfe3c25802f875025761b4d396efee6ac3dd28210f5354cc1378aa192e2104fd53e75d16793ce34d48a7fd74255c67eba8b6853187ddf5d2b3bed03 SHA512 ae17d1d0b350c8c56dd9df7648ec4e46725d0dc06dcea7851481d47853b3a594026e99fe5211cb549eb14373d800be80b5f4d61a65eb087b9f0c20488633ab29
 DIST sync_wrapper-1.0.2.crate 6958 BLAKE2B b2e162f982ea827229dcff468bcf31c6286c57ea3491a909784cdb50b0ba36c3a1a6fbdc7b34fc2aa9a7df1d174393d61ea9dc7ab3439a5e1a1884e2473a70f8 SHA512 aa314a6ab3ba028d2a169ea55a50eecf3b73b475a81c91330430ece9f1734296562627a8c32fad51b5a26796931f364e2803b3a13075ccd9a0aa614d5220903c
 DIST synstructure-0.13.2.crate 18950 BLAKE2B c475f370d901a371262f466dd98e3914dd6f36aa473a33362866c0f781d27b1813233f96b02208f3463a825e8012cab0f8872eed848d9aa0eac88b581a0d261e SHA512 2698f4e80b93f7cf1d8ae97c4c42a7f61e7b7081f7f1bbb94d7f48ab7ae813a666d73c49ba3812cda9155e0138b55cc246fb96e5858e411a8d32bafb3e2b2afb
 DIST target-lexicon-0.13.2.crate 27923 BLAKE2B 0761f0ffdc23b9c9df86b384d59611c7b8b5e29ff068f03367ad2fe84cfb6d11e1af149b9338236978e9566fedc51387db9f239d2a602db41045ac3db907faec SHA512 d25e3cc3d679cb6b6f24c03e0c24db9d6ca31b8ed42ac9531bd7637557fbba225a6c8ac4f68a8eaf3569195814d599e668a968afbc73b940a77cbc27552cc90a
diff --git a/net-im/synapse/synapse-1.138.2.ebuild b/net-im/synapse/synapse-1.138.2.ebuild
new file mode 100644
index 0000000000000..cf38ba0f3b09d
--- /dev/null
+++ b/net-im/synapse/synapse-1.138.2.ebuild
@@ -0,0 +1,355 @@
+# Copyright 2022-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_EXT=1
+DISTUTILS_USE_PEP517=poetry
+PYTHON_COMPAT=( python3_{11..13} )
+
+RUST_MIN_VER="1.82.0"
+CRATES="
+	addr2line@0.24.2
+	adler2@2.0.1
+	aho-corasick@1.1.3
+	anyhow@1.0.99
+	arc-swap@1.7.1
+	atomic-waker@1.1.2
+	autocfg@1.5.0
+	backtrace@0.3.75
+	base64@0.22.1
+	bitflags@2.9.1
+	blake2@0.10.6
+	block-buffer@0.10.4
+	bumpalo@3.19.0
+	bytes@1.10.1
+	cc@1.2.30
+	cfg-if@1.0.1
+	cfg_aliases@0.2.1
+	core-foundation-sys@0.8.7
+	core-foundation@0.10.1
+	core_maths@0.1.1
+	cpufeatures@0.2.17
+	crypto-common@0.1.6
+	digest@0.10.7
+	displaydoc@0.2.5
+	equivalent@1.0.2
+	fnv@1.0.7
+	form_urlencoded@1.2.1
+	futures-channel@0.3.31
+	futures-core@0.3.31
+	futures-executor@0.3.31
+	futures-io@0.3.31
+	futures-macro@0.3.31
+	futures-sink@0.3.31
+	futures-task@0.3.31
+	futures-util@0.3.31
+	futures@0.3.31
+	generic-array@0.14.7
+	getrandom@0.2.16
+	getrandom@0.3.3
+	gimli@0.31.1
+	h2@0.4.11
+	hashbrown@0.15.4
+	headers-core@0.3.0
+	headers@0.4.1
+	heck@0.5.0
+	hex@0.4.3
+	http-body-util@0.1.3
+	http-body@1.0.1
+	http@1.3.1
+	httparse@1.10.1
+	httpdate@1.0.3
+	hyper-rustls@0.27.7
+	hyper-util@0.1.16
+	hyper@1.6.0
+	icu_collections@2.0.0
+	icu_locale@2.0.0
+	icu_locale_core@2.0.0
+	icu_locale_data@2.0.0
+	icu_normalizer@2.0.0
+	icu_normalizer_data@2.0.0
+	icu_properties@2.0.1
+	icu_properties_data@2.0.1
+	icu_provider@2.0.0
+	icu_segmenter@2.0.0
+	icu_segmenter_data@2.0.0
+	idna@1.0.3
+	idna_adapter@1.2.1
+	indexmap@2.10.0
+	indoc@2.0.6
+	io-uring@0.7.9
+	ipnet@2.11.0
+	iri-string@0.7.8
+	itoa@1.0.15
+	js-sys@0.3.77
+	lazy_static@1.5.0
+	libc@0.2.174
+	libm@0.2.15
+	litemap@0.8.0
+	log@0.4.27
+	lru-slab@0.1.2
+	memchr@2.7.5
+	memoffset@0.9.1
+	mime@0.3.17
+	miniz_oxide@0.8.9
+	mio@1.0.4
+	object@0.36.7
+	once_cell@1.21.3
+	openssl-probe@0.1.6
+	percent-encoding@2.3.1
+	pin-project-lite@0.2.16
+	pin-utils@0.1.0
+	portable-atomic@1.11.1
+	potential_utf@0.1.2
+	ppv-lite86@0.2.21
+	proc-macro2@1.0.95
+	pyo3-build-config@0.25.1
+	pyo3-ffi@0.25.1
+	pyo3-log@0.12.4
+	pyo3-macros-backend@0.25.1
+	pyo3-macros@0.25.1
+	pyo3@0.25.1
+	pythonize@0.25.0
+	quinn-proto@0.11.12
+	quinn-udp@0.5.13
+	quinn@0.11.8
+	quote@1.0.40
+	r-efi@5.3.0
+	rand@0.9.2
+	rand_chacha@0.9.0
+	rand_core@0.9.3
+	regex-automata@0.4.9
+	regex-syntax@0.8.5
+	regex@1.11.2
+	reqwest@0.12.23
+	ring@0.17.14
+	rustc-demangle@0.1.26
+	rustc-hash@2.1.1
+	rustls-native-certs@0.8.1
+	rustls-pki-types@1.12.0
+	rustls-webpki@0.103.4
+	rustls@0.23.31
+	rustversion@1.0.21
+	ryu@1.0.20
+	schannel@0.1.27
+	security-framework-sys@2.14.0
+	security-framework@3.2.0
+	serde@1.0.219
+	serde_derive@1.0.219
+	serde_json@1.0.143
+	serde_urlencoded@0.7.1
+	sha1@0.10.6
+	sha2@0.10.9
+	shlex@1.3.0
+	slab@0.4.11
+	smallvec@1.15.1
+	socket2@0.5.10
+	socket2@0.6.0
+	stable_deref_trait@1.2.0
+	subtle@2.6.1
+	syn@2.0.104
+	sync_wrapper@1.0.2
+	synstructure@0.13.2
+	target-lexicon@0.13.2
+	thiserror-impl@2.0.12
+	thiserror@2.0.12
+	tinystr@0.8.1
+	tinyvec@1.9.0
+	tinyvec_macros@0.1.1
+	tokio-rustls@0.26.2
+	tokio-util@0.7.15
+	tokio@1.47.1
+	tower-http@0.6.6
+	tower-layer@0.3.3
+	tower-service@0.3.3
+	tower@0.5.2
+	tracing-core@0.1.34
+	tracing@0.1.41
+	try-lock@0.2.5
+	typenum@1.18.0
+	ulid@1.2.1
+	unicode-ident@1.0.18
+	unindent@0.2.4
+	untrusted@0.9.0
+	url@2.5.4
+	utf8_iter@1.0.4
+	version_check@0.9.5
+	want@0.3.1
+	wasi@0.11.1+wasi-snapshot-preview1
+	wasi@0.14.2+wasi-0.2.4
+	wasm-bindgen-backend@0.2.100
+	wasm-bindgen-futures@0.4.50
+	wasm-bindgen-macro-support@0.2.100
+	wasm-bindgen-macro@0.2.100
+	wasm-bindgen-shared@0.2.100
+	wasm-bindgen@0.2.100
+	wasm-streams@0.4.2
+	web-sys@0.3.77
+	web-time@1.1.0
+	windows-sys@0.52.0
+	windows-sys@0.59.0
+	windows-targets@0.52.6
+	windows_aarch64_gnullvm@0.52.6
+	windows_aarch64_msvc@0.52.6
+	windows_i686_gnu@0.52.6
+	windows_i686_gnullvm@0.52.6
+	windows_i686_msvc@0.52.6
+	windows_x86_64_gnu@0.52.6
+	windows_x86_64_gnullvm@0.52.6
+	windows_x86_64_msvc@0.52.6
+	wit-bindgen-rt@0.39.0
+	writeable@0.6.1
+	yoke-derive@0.8.0
+	yoke@0.8.0
+	zerocopy-derive@0.8.26
+	zerocopy@0.8.26
+	zerofrom-derive@0.1.6
+	zerofrom@0.1.6
+	zeroize@1.8.1
+	zerotrie@0.2.2
+	zerovec-derive@0.11.1
+	zerovec@0.11.2
+"
+
+inherit cargo distutils-r1 multiprocessing optfeature systemd
+
+DESCRIPTION="Reference implementation of Matrix homeserver"
+HOMEPAGE="
+	https://matrix.org/
+	https://github.com/element-hq/synapse
+"
+SRC_URI="
+	https://github.com/element-hq/${PN}/archive/v${PV}.tar.gz
+		-> ${P}.gh.tar.gz
+	${CARGO_CRATE_URIS}
+"
+
+LICENSE="AGPL-3+"
+# Dependent crate licenses
+LICENSE+="
+	Apache-2.0 Apache-2.0-with-LLVM-exceptions BSD ISC MIT Unicode-3.0
+"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~ppc64"
+IUSE="postgres selinux systemd test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	acct-user/synapse
+	acct-group/synapse
+	dev-python/attrs[${PYTHON_USEDEP}]
+	dev-python/bcrypt[${PYTHON_USEDEP}]
+	dev-python/bleach[${PYTHON_USEDEP}]
+	>=dev-python/canonicaljson-2[${PYTHON_USEDEP}]
+	dev-python/cryptography[${PYTHON_USEDEP}]
+	dev-python/ijson[${PYTHON_USEDEP}]
+	dev-python/immutabledict[${PYTHON_USEDEP}]
+	>=dev-python/jinja2-3.0[${PYTHON_USEDEP}]
+	dev-python/jsonschema[${PYTHON_USEDEP}]
+	>=dev-python/matrix-common-1.3.0[${PYTHON_USEDEP}]
+	dev-python/msgpack[${PYTHON_USEDEP}]
+	dev-python/netaddr[${PYTHON_USEDEP}]
+	dev-python/packaging[${PYTHON_USEDEP}]
+	dev-python/phonenumbers[${PYTHON_USEDEP}]
+	>=dev-python/pillow-10.0.1[${PYTHON_USEDEP},webp]
+	dev-python/prometheus-client[${PYTHON_USEDEP}]
+	dev-python/pyasn1-modules[${PYTHON_USEDEP}]
+	dev-python/pyasn1[${PYTHON_USEDEP}]
+	dev-python/pydantic[${PYTHON_USEDEP}]
+	dev-python/pymacaroons[${PYTHON_USEDEP}]
+	dev-python/pyopenssl[${PYTHON_USEDEP}]
+	>=dev-python/python-multipart-0.0.12-r100[${PYTHON_USEDEP}]
+	dev-python/pyyaml[${PYTHON_USEDEP}]
+	dev-python/service-identity[${PYTHON_USEDEP}]
+	dev-python/signedjson[${PYTHON_USEDEP}]
+	dev-python/sortedcontainers[${PYTHON_USEDEP}]
+	dev-python/treq[${PYTHON_USEDEP}]
+	dev-python/twisted[${PYTHON_USEDEP}]
+	dev-python/typing-extensions[${PYTHON_USEDEP}]
+	dev-python/unpaddedbase64[${PYTHON_USEDEP}]
+	postgres? ( dev-python/psycopg:2[${PYTHON_USEDEP}] )
+	selinux? ( sec-policy/selinux-matrixd )
+	systemd? ( dev-python/python-systemd[${PYTHON_USEDEP}] )
+"
+BDEPEND="
+	acct-user/synapse
+	acct-group/synapse
+	dev-python/setuptools-rust[${PYTHON_USEDEP}]
+	test? (
+		${RDEPEND}
+		dev-python/hiredis[${PYTHON_USEDEP}]
+		dev-python/idna[${PYTHON_USEDEP}]
+		dev-python/parameterized[${PYTHON_USEDEP}]
+		dev-python/txredisapi[${PYTHON_USEDEP}]
+		postgres? ( dev-db/postgresql[server] )
+	)
+"
+
+# Rust extension
+QA_FLAGS_IGNORED="usr/lib/python3.*/site-packages/synapse/synapse_rust.abi3.so"
+
+src_test() {
+	if use postgres; then
+		einfo "Preparing postgres test instance"
+		initdb --pgdata="${T}/pgsql" || die
+		pg_ctl --wait --pgdata="${T}/pgsql" start \
+			--options="-h '' -k '${T}'" || die
+		createdb --host="${T}" synapse_test || die
+
+		# See https://matrix-org.github.io/synapse/latest/development/contributing_guide.html#running-tests-under-postgresql
+		local -x SYNAPSE_POSTGRES=1
+		local -x SYNAPSE_POSTGRES_HOST="${T}"
+	fi
+
+	# This remove is necessary otherwise python is not able to locate
+	# synapse_rust.abi3.so.
+	rm -rf synapse || die
+
+	nonfatal distutils-r1_src_test
+	local ret=${?}
+
+	if use postgres; then
+		einfo "Stopping postgres test instance"
+		pg_ctl --wait --pgdata="${T}/pgsql" stop || die
+	fi
+
+	[[ ${ret} -ne 0 ]] && die
+}
+
+python_test() {
+	"${EPYTHON}" -m twisted.trial -j "$(makeopts_jobs)" tests
+}
+
+src_install() {
+	distutils-r1_src_install
+	keepdir /var/{lib,log}/synapse /etc/synapse
+	fowners synapse:synapse /var/{lib,log}/synapse /etc/synapse
+	fperms 0750 /var/{lib,log}/synapse /etc/synapse
+	newinitd "${FILESDIR}/${PN}.initd-r1" "${PN}"
+	systemd_dounit "${FILESDIR}/synapse.service"
+}
+
+pkg_postinst() {
+	optfeature "Redis support" dev-python/txredisapi
+	optfeature "VoIP relaying on your homeserver with turn" net-im/coturn
+
+	if [[ -z "${REPLACING_VERSIONS}" ]]; then
+		einfo
+		elog "In order to generate initial configuration run:"
+		elog "sudo -u synapse synapse_homeserver \\"
+		elog "    --server-name matrix.domain.tld \\"
+		elog "    --config-path /etc/synapse/homeserver.yaml \\"
+		elog "    --generate-config \\"
+		elog "    --data-directory /var/lib/synapse \\"
+		elog "    --report-stats=no"
+		einfo
+	else
+		einfo
+		elog "Please refer to upgrade notes if any special steps are required"
+		elog "to upgrade from the version you currently have installed:"
+		elog
+		elog "  https://github.com/element-hq/synapse/blob/develop/docs/upgrade.md"
+		einfo
+	fi
+}