diff --git a/dev-python/greenlet/Manifest b/dev-python/greenlet/Manifest
index 278f9601f82b9..aab0b2187e58f 100644
--- a/dev-python/greenlet/Manifest
+++ b/dev-python/greenlet/Manifest
@@ -2,3 +2,4 @@ DIST greenlet-3.4.0.tar.gz 195913 BLAKE2B d3c07b1606315d99d401a874fedd290c0ce3eb
 DIST greenlet-3.5.0.tar.gz 196995 BLAKE2B 1fd1ffd254cffc7eb858657ba75541bb289014ed05304afaa17556a41582fe3e5dd761784a5ba6e44d1c7e207fe6a674175477e8d7359feebda71c1731cd9659 SHA512 472b09d9f08d60ba1a4885ac678fd448b8e612d3553d712646e92b7e12cbe238ca6162c8809fedbb8a702603713d6f60650786e4db6ccabdbe454d067604c990
 DIST greenlet-3.5.1.tar.gz 197356 BLAKE2B 3f227db8357e65b304ccd538046743ef6a5df18d390fb50dc5bdb419c039f9948fc228a6f60e4639507fd9b50be81e624b575eccd9adce694e18aae1aa89eb7f SHA512 b81fd3a55655457356c5087a5cb109fb5ef3d0ea7daf0a1bdfcb24772fecca50932c8c548d5edf6f36e5d980d9dfeb3ae1323aaa05d19d781b2b47021806d930
 DIST greenlet-3.5.2.tar.gz 199243 BLAKE2B 04a81cfc8cf72ddab76c776a247a1eaab2a6af3e0d16affe8b9cd8b9f6dfd48f43be59db2e34a3617661c340a1768541cedbc20a2bb78212ba3af740b93a7f46 SHA512 709402d75fe0054f515722a2db0a0c92386e6598262f9b73346bf00466873056cd7c702320de79c1fa1d7bcdc818a9f974ecb1ab5d27f4ebeb7e1a9a86c43fbb
+DIST greenlet-3.5.3.tar.gz 200270 BLAKE2B cfcda747255fcae1406edaab4b934cf88d12ccf5cfcc81ed7575404ae24444ee763bed47666a5ab9911a6a2a0aa3e82a2e973358163932d600b035e06610635e SHA512 a6c2d188c0edc71e3820baa43f130b87d902c9b4dcc4e1f8bc627c0198266d088d6e9a635ff5c1ad939ee5ac019704c5abd7ecdd73f6e54bf08ccb86518b7fed
diff --git a/dev-python/greenlet/greenlet-3.5.3.ebuild b/dev-python/greenlet/greenlet-3.5.3.ebuild
new file mode 100644
index 0000000000000..ae5f4cdad3018
--- /dev/null
+++ b/dev-python/greenlet/greenlet-3.5.3.ebuild
@@ -0,0 +1,47 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_EXT=1
+DISTUTILS_USE_PEP517=setuptools
+# Note: greenlet is built-in in pypy
+PYTHON_COMPAT=( python3_{12..14} )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="Lightweight in-process concurrent programming"
+HOMEPAGE="
+	https://greenlet.readthedocs.io/en/latest/
+	https://github.com/python-greenlet/greenlet/
+	https://pypi.org/project/greenlet/
+"
+
+LICENSE="MIT PSF-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 -hppa ~m68k ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-macos"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+BDEPEND="
+	test? (
+		dev-python/objgraph[${PYTHON_USEDEP}]
+		dev-python/psutil[${PYTHON_USEDEP}]
+	)
+"
+
+distutils_enable_sphinx docs \
+	dev-python/furo
+distutils_enable_tests unittest
+
+src_prepare() {
+	distutils-r1_src_prepare
+
+	# patch cflag manipulations out
+	sed -i -e 's:global_compile_args[.]append.*:pass:' setup.py || die
+}
+
+python_test() {
+	local -x GREENLET_SKIP_LEAKCHECKS=1
+	eunittest greenlet.tests
+}