diff --git a/dev-python/jupyterlab/Manifest b/dev-python/jupyterlab/Manifest
index 859d66f9bace9..38dbc1d81197b 100644
--- a/dev-python/jupyterlab/Manifest
+++ b/dev-python/jupyterlab/Manifest
@@ -1,3 +1,4 @@
 DIST jupyterlab-4.4.10.tar.gz 22969303 BLAKE2B 478b424ff65b4f88ee849f0e87cebf30a1a95d7da390e3179f0675c4d37cb6cc80aef0262e2e4ca09fecda71a76c6d92ed99a6b52337ff2ab22cc010122513a4 SHA512 fbdd4429ddc5c14f0085d3dc4a9cd1f93c8db3b438e62c7e653fb605819ec97f41aba182c48a54f25f5ed53d36a9137522e7901a2b36349596c8f03beeefe351
 DIST jupyterlab-4.5.5.tar.gz 23968441 BLAKE2B 26cd7f35af4eeb02e642ad54b915a742ab72d6d8f2d0c1104bd110209099deb2130b17da1a7630a0ddacf85d0411f7bc53d344c8d7fbaa60c836a8737a96ab3a SHA512 9e30719ce3f243312dd9c4630f8985f0e34dace323bc4ade7e5db483175052127c76a582ff5014fe8f85f99370f820a24ee24aa782deaf87513c01db3e84f3ae
 DIST jupyterlab-4.5.6.tar.gz 23970670 BLAKE2B 362d6557cf74858186a815d41d63ab6c987859d033484bd59b431924fc95eec8c692b5dd6fd9f1b110e17c8f8a285a96e1b45371379c2e5c485cf39783437f0d SHA512 67c63e8717384b334b421bc95f46a38a9a0ade3edc319a66f20e86102aa6583df3828b47fb4d90ff6291779fb078e42034f3dcbb293a2428bf554503e2495910
+DIST jupyterlab-4.5.7.tar.gz 23992763 BLAKE2B a8393ca503e6d35c8cd896948dc7201d10b9493bc55ed9898b706a9c88e98dc8000cb9d66e306600d0908aa23f6244860f7d271cfea6c54b339c5249ee2a6f33 SHA512 b2bc3190586c2f25688aef12a6ca04d77c69f21ce35f53bee926de10961c84e55e5441cd812f03e5deb649e8fa38674e97db7fd5a00edc965c19b2b7e1d90996
diff --git a/dev-python/jupyterlab/jupyterlab-4.5.7.ebuild b/dev-python/jupyterlab/jupyterlab-4.5.7.ebuild
new file mode 100644
index 0000000000000..4ac85655ef04b
--- /dev/null
+++ b/dev-python/jupyterlab/jupyterlab-4.5.7.ebuild
@@ -0,0 +1,76 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=hatchling
+PYTHON_COMPAT=( python3_{12..14} )
+
+inherit distutils-r1 pypi xdg
+
+DESCRIPTION="JupyterLab computational environment"
+HOMEPAGE="
+	https://jupyter.org/
+	https://github.com/jupyterlab/jupyterlab/
+	https://pypi.org/project/jupyterlab/
+"
+
+LICENSE="BSD MIT GPL-3 Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc64 ~riscv ~x86"
+
+RDEPEND="
+	>=dev-python/async-lru-1.0.0[${PYTHON_USEDEP}]
+	>=dev-python/httpx-0.28.0[${PYTHON_USEDEP}]
+	>=dev-python/ipykernel-6.5.0[${PYTHON_USEDEP}]
+	>=dev-python/jinja2-3.0.3[${PYTHON_USEDEP}]
+	dev-python/jupyter-core[${PYTHON_USEDEP}]
+	>=dev-python/jupyter-lsp-2.0.0[${PYTHON_USEDEP}]
+	>=dev-python/jupyter-server-2.4.0[${PYTHON_USEDEP}]
+	<dev-python/jupyter-server-3[${PYTHON_USEDEP}]
+	>=dev-python/jupyterlab-server-2.28.0[${PYTHON_USEDEP}]
+	<dev-python/jupyterlab-server-3[${PYTHON_USEDEP}]
+	>=dev-python/notebook-shim-0.2[${PYTHON_USEDEP}]
+	dev-python/packaging[${PYTHON_USEDEP}]
+	>=dev-python/setuptools-41.1.0[${PYTHON_USEDEP}]
+	>=dev-python/tornado-6.2.0[${PYTHON_USEDEP}]
+	dev-python/traitlets[${PYTHON_USEDEP}]
+	net-libs/nodejs[npm]
+"
+
+BDEPEND="
+	dev-python/hatch-jupyter-builder[${PYTHON_USEDEP}]
+	test? (
+		dev-python/requests[${PYTHON_USEDEP}]
+		dev-python/requests-cache[${PYTHON_USEDEP}]
+		dev-python/virtualenv[${PYTHON_USEDEP}]
+	)
+"
+
+EPYTEST_DESELECT=(
+	# These tests call npm and want internet
+	jupyterlab/tests/test_jupyterlab.py::TestExtension::test_uninstall_core_extension
+	jupyterlab/tests/test_jupyterlab.py::TestExtension::test_install_and_uninstall_pinned_folder
+	jupyterlab/tests/test_jupyterlab.py::TestExtension::test_install_and_uninstall_pinned
+	jupyterlab/tests/test_jupyterlab.py::TestExtension::test_build_custom_minimal_core_config
+	jupyterlab/tests/test_jupyterlab.py::TestExtension::test_build_custom
+	jupyterlab/tests/test_jupyterlab.py::TestExtension::test_build_check
+	jupyterlab/tests/test_jupyterlab.py::TestExtension::test_build
+	jupyterlab/tests/test_build_api.py::TestBuildAPI::test_clear
+	jupyterlab/tests/test_build_api.py::TestBuildAPI::test_build
+)
+
+EPYTEST_IGNORE=(
+	jupyterlab/tests/test_announcements.py
+)
+
+EPYTEST_PLUGINS=( pytest-{console-scripts,jupyter,tornasync,timeout} )
+EPYTEST_XDIST=1
+distutils_enable_tests pytest
+# TODO: package sphinx_copybutton
+#distutils_enable_sphinx docs/source dev-python/sphinx-rtd-theme dev-python/myst-parser
+
+python_install_all() {
+	distutils-r1_python_install_all
+	mv "${ED}/usr/etc" "${ED}/etc" || die
+}