diff --git a/dev-python/metakernel/Manifest b/dev-python/metakernel/Manifest
index fc7c60b82fcc1..8e307b72592f9 100644
--- a/dev-python/metakernel/Manifest
+++ b/dev-python/metakernel/Manifest
@@ -1 +1,2 @@
 DIST metakernel-0.30.3.tar.gz 191762 BLAKE2B 9e2e94f4fe4b5c64c336b0664ca39100f63e245224f3d179df1fae01cd6cfba7b7ae2ba229e14f48b9c89dfae0b14d055a0b91dc5d93c9d5fef562a8eee9e43a SHA512 2ee96104c2af9b54bbd860411af8f9e2470f326f64123bddecf2433aedca8c1d9755873349c33dfb3f830125cc127322f2dbf7364481792ca36899496bf23af8
+DIST metakernel-0.30.4.tar.gz 191916 BLAKE2B c7c11f8bb4aa60b10c7e201c8457d0806fa5a5b8367ef6f05b17f6c0bc903359876142c9a49991c4faf33c687ac9e6619ed358ebf744fb831b7c0dce44bf444d SHA512 bad0deebfa9568c0e8b7e6aa287aefee37271763c1ffe242c5265991694abda5b5ade466cf33b3e42c06b9b7b4055b1c2280a24cd61a0946bde3568bb8560541
diff --git a/dev-python/metakernel/metakernel-0.30.4.ebuild b/dev-python/metakernel/metakernel-0.30.4.ebuild
new file mode 100644
index 0000000000000..b2603cb5cf01f
--- /dev/null
+++ b/dev-python/metakernel/metakernel-0.30.4.ebuild
@@ -0,0 +1,53 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=hatchling
+PYTHON_COMPAT=( python3_{11..14} )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="Metakernel for Jupyter"
+HOMEPAGE="
+	https://github.com/Calysto/metakernel/
+	https://pypi.org/project/metakernel/
+"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~x86 ~amd64-linux ~x86-linux"
+
+RDEPEND="
+	>=dev-python/ipykernel-5.5.6[${PYTHON_USEDEP}]
+	>=dev-python/jupyter-core-4.9.2[${PYTHON_USEDEP}]
+	>=dev-python/jedi-0.18[${PYTHON_USEDEP}]
+	>=dev-python/pexpect-4.8[${PYTHON_USEDEP}]
+"
+
+BDEPEND="
+	test? (
+		dev-python/jupyter-kernel-test[${PYTHON_USEDEP}]
+		dev-python/pydot[${PYTHON_USEDEP}]
+		dev-python/requests[${PYTHON_USEDEP}]
+	)
+"
+
+EPYTEST_PLUGINS=( pytest-timeout )
+distutils_enable_tests pytest
+
+EPYTEST_DESELECT=(
+	# fragile
+	metakernel/tests/test_parser.py::test_path_completions
+	# broken by color codes in output
+	# https://github.com/Calysto/metakernel/issues/266
+	metakernel/tests/test_replwrap.py::REPLWrapTestCase::test_bash
+	# requires starting ipycluster
+	metakernel/magics/tests/test_parallel_magic.py::test_parallel_magic
+	# Broken with custom command not found handler
+	metakernel/magics/tests/test_shell_magic.py::test_shell_magic
+	metakernel/magics/tests/test_shell_magic.py::test_shell_magic3
+	# https://github.com/Calysto/metakernel/issues/279
+	metakernel/tests/test_magic.py::test_get_help
+	metakernel/tests/test_replwrap.py::REPLWrapTestCase::test_python
+)