diff --git a/dev-python/portalocker/Manifest b/dev-python/portalocker/Manifest
index 6236e6f84f142..2314022246bc1 100644
--- a/dev-python/portalocker/Manifest
+++ b/dev-python/portalocker/Manifest
@@ -2,3 +2,4 @@ DIST portalocker-3.2.0.gh.tar.gz 89888 BLAKE2B 94ce9a737cbf19a77045f73d32510b2b1
 DIST portalocker-4.0.0.gh.tar.gz 88293 BLAKE2B ab96019123648cb1cd7c534e97e04377be2e9d7221f83fec442ba0b88cbdc60381599b15bc347e63178e9793f64ee96a93f924a2ec2c2fb1f65ecd2f573ff5a9 SHA512 f7f2382d939df0ff162750e030bc62dcc7c322c0829bad9a6d6c3f9b7d0673100ef5ff11f6652ee30888e90b299a4b49b597ea2213204a5b999453e9823a3d9f
 DIST portalocker-4.1.0.gh.tar.gz 140338 BLAKE2B a6011fad4f9b2d4b7a870f502611d6c46b1a766eb3ae28b263da2999ec60d022293880d18da2e81185b660929fbb37e29a0e85ed3726bd04667bdd856e40ffe2 SHA512 1a6ba3cb1dc782829979fb4f0ac900d86a11d1ecc4a90b0f29b7d16a0775cc12918d349c7ff2fff2e05488045e61daa9adf3a407b771f9e134ecd1aeb3e86218
 DIST portalocker-4.2.0.gh.tar.gz 309989 BLAKE2B aa9c437ed180651e0e3ab07af736f12c8eedf7b962845e6affd13295e56609378fad41f4d0aa7b1170aa2dcde81ea9ecad43c73ef024102812b0729de2188ebe SHA512 f4bc04666a4640ca4d7a871a16b0000eceda18ebe3a8606e06ba8f5a74dfd869783467efdc1c058bcfe2b2f8b073ce518c387a6fa1a03c881829e22b57985bb6
+DIST portalocker-4.3.0.gh.tar.gz 294812 BLAKE2B 579cdcd11ddc7061f7483749a6d1556b4190aab6e675546e89ea2437f5dfd1308661dd141976d5ac2e679493fd2671b098614293deb47f3eab72665a827efe43 SHA512 a605ac16aae3b4862e7a7141835ee82e9c0a08aa8a47fb7ca3fe86a739f2de7f17ba2a5c9c1ecda36ca44d964ab5c8c89539960282b43bdb0a6a2549f46a67d8
diff --git a/dev-python/portalocker/portalocker-4.3.0.ebuild b/dev-python/portalocker/portalocker-4.3.0.ebuild
new file mode 100644
index 0000000000000..69a58f4b104a0
--- /dev/null
+++ b/dev-python/portalocker/portalocker-4.3.0.ebuild
@@ -0,0 +1,47 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=uv-build
+PYTHON_COMPAT=( python3_{12..15} )
+
+inherit distutils-r1 optfeature
+
+DESCRIPTION="A library for Python file locking"
+HOMEPAGE="
+	https://github.com/WoLpH/portalocker/
+	https://portalocker.readthedocs.io/
+	https://pypi.org/project/portalocker/
+"
+SRC_URI="
+	https://github.com/WoLpH/${PN}/archive/v${PV}.tar.gz
+		-> ${P}.gh.tar.gz
+"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64"
+
+BDEPEND="
+	test? (
+		>=dev-python/fakeredis-2.31.0[${PYTHON_USEDEP}]
+		dev-python/redis[${PYTHON_USEDEP}]
+		>=dev-python/sphinx-6.0.0[${PYTHON_USEDEP}]
+		>=dev-python/typing-extensions-4.4[${PYTHON_USEDEP}]
+	)
+"
+
+EPYTEST_PLUGINS=( pytest-{rerunfailures,timeout} )
+distutils_enable_tests pytest
+
+src_prepare() {
+	default
+
+	# Disable code coverage in tests.
+	sed -i '/--cov/d' pyproject.toml || die
+}
+
+pkg_postinst() {
+	optfeature "redis support" dev-python/redis
+}