diff --git a/dev-python/narwhals/Manifest b/dev-python/narwhals/Manifest
index ac7ffa720919a..754a0a58545de 100644
--- a/dev-python/narwhals/Manifest
+++ b/dev-python/narwhals/Manifest
@@ -1,2 +1,3 @@
 DIST narwhals-1.41.1.tar.gz 489404 BLAKE2B 001529ab92af6cdaaf84b65621a371ff5290e5eb3285e4a1e09014e0a4e1d9c3c757b01136ea9b88a445283cf4aa48a3c07b76094923cce091bb0117aa28c503 SHA512 a9cce0aaea480d0514d71c881cd4396490111554e0b29228426fb30588884cb5e73e3f02831d4e957c7d5b02e8ff39be5ca7ea7065a576864b5ccd5aecaaadb0
 DIST narwhals-1.42.0.tar.gz 490671 BLAKE2B 8d0671d22c79598e5be41f986f87ba002a16fefe2fd63bd88b68c97c253ffbf5988ffa40851899653241280d167f6fcdcdc0e4384e053c05cfad2cedd4d09ca7 SHA512 3fc574a04ae57220ddd90eca39ce729f022cb0d24170684e35dc3b80ebd2aeb6317a915c75f819a4fe52f60eb06c1c6eb84ae3e7e39c54c627a0e07573e3e3a3
+DIST narwhals-1.42.1.tar.gz 492865 BLAKE2B ed0d0defe48bad75e711ab49914fe2802d56fc625535971bf7aeaab97612b19e79e517ae86a0211a111235653d35729a92d3d13ac0b70f24c7756944bb509104 SHA512 3c81713c78bf8e656e2dfad20433298dc96cbd7e157678c6f076653d9f35035db95506229e2d2ea9f43867a926ab5fa65f6217348049a9b5f382b9363ea647cb
diff --git a/dev-python/narwhals/narwhals-1.42.1.ebuild b/dev-python/narwhals/narwhals-1.42.1.ebuild
new file mode 100644
index 0000000000000..91c2c317d73d3
--- /dev/null
+++ b/dev-python/narwhals/narwhals-1.42.1.ebuild
@@ -0,0 +1,38 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=hatchling
+PYTHON_COMPAT=( python3_{11..13} )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="Extremely lightweight compatibility layer between dataframe libraries"
+HOMEPAGE="
+	https://github.com/narwhals-dev/narwhals/
+	https://pypi.org/project/narwhals/
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64"
+
+BDEPEND="
+	test? (
+		dev-python/hypothesis[${PYTHON_USEDEP}]
+		dev-python/pandas[${PYTHON_USEDEP}]
+		dev-python/pyarrow[${PYTHON_USEDEP}]
+		dev-python/pytest-env[${PYTHON_USEDEP}]
+	)
+"
+
+EPYTEST_XDIST=1
+distutils_enable_tests pytest
+
+python_test() {
+	local -x PYTEST_DISABLE_PLUGIN_AUTOLOAD=1
+	# make hypothesis more forgiving
+	local -x CI=1
+	epytest --runslow --constructors="pandas,pandas[nullable],pandas[pyarrow],pyarrow"
+}