diff --git a/dev-python/uv-build/Manifest b/dev-python/uv-build/Manifest
index 84dc2e3f984ae..f8cbb2fe3a187 100644
--- a/dev-python/uv-build/Manifest
+++ b/dev-python/uv-build/Manifest
@@ -1,3 +1,4 @@
 DIST uv_build-0.8.24.tar.gz 332743 BLAKE2B de8e695ab1b41139dd6a8d78ae8f895ae4e464f7956019c1f32a9a39109517332ed4e783cc99dddb16c89215d49488081c2139a5edb7f9a7a602d712f1580e9f SHA512 cdeeead6b94e27edf6ebcd5997419032266f4f3fe6deef22c3b850220d5cb5c5416c4d13cbaca543facf417ec12f749bf2f2cac63894047464a3b54275d1a988
 DIST uv_build-0.8.6.tar.gz 318772 BLAKE2B faf4f36b32cf308d3c70d52b84bd135d108db4018bc4c7eadf193448e422fe8b0deb1cf68f7264413152697708f9a15748a017d0ece151c19c1677916b3727b9 SHA512 da83c3ba7f2daa1c39a8bac5b18635eff4afc93460ea23b770518ebaf44bef573654e272c117e257f4126124c71a5b661f2751ff36be792c03ee28f257d1eddc
 DIST uv_build-0.9.3.tar.gz 332769 BLAKE2B 8e813d289d59d2bf8ad4eaffaeb1c8525acaa36215ff9d8e1088ec4fd2ba6d7ac971251c144748805950c0934c24e9c141a860e5ef7332e71d049080852817f1 SHA512 bc1231a3aaaf77b80404281675241b8a27a328100128ec12160f29b574c1f6505a021d18bb5d8a4a23017d73cb8804d6bca5b1c8f27deba823d248744a231cc8
+DIST uv_build-0.9.4.tar.gz 332506 BLAKE2B 3b65cc80192cf3abc33bcf01735c8b7f937a12f2dcd0557d0ae255ce8bd4cb7dbb15522e73802be0e17ac10c4acad6f9075f12d5f853bb1881b0c13f1d120b33 SHA512 c3be52cfbc1cf5a229df91d9e1125925a534e3fca3041e29a16edd2334fa28b055c73e21a6bd1a3d1d63924cf8f112645300530e8cb6139fb549499ca672070f
diff --git a/dev-python/uv-build/uv-build-0.9.4.ebuild b/dev-python/uv-build/uv-build-0.9.4.ebuild
new file mode 100644
index 0000000000000..8d74c706f39b6
--- /dev/null
+++ b/dev-python/uv-build/uv-build-0.9.4.ebuild
@@ -0,0 +1,99 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# Maturin compiles uv-build executable for every impl, we do not want
+# that, so we use another backend.  And since we use another backend,
+# why not dogfood it in the first place?
+DISTUTILS_USE_PEP517=standalone
+PYTHON_COMPAT=( pypy3_11 python3_{11..14} )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="PEP517 uv build backend"
+HOMEPAGE="
+	https://github.com/astral-sh/uv/
+	https://pypi.org/project/uv-build/
+"
+
+LICENSE="|| ( Apache-2.0 MIT )"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=dev-python/uv-${PV}
+"
+BDEPEND="
+	test? (
+		app-arch/unzip
+		dev-python/build[${PYTHON_USEDEP}]
+	)
+"
+
+src_prepare() {
+	distutils-r1_src_prepare
+
+	# use the executable from dev-python/uv instead of building
+	# a largely overlapping uv-build executable (at least for now)
+	sed -i -e '/USE_UV_EXECUTABLE/s:False:True:' python/uv_build/__init__.py || die
+
+	# replace the build-system section
+	sed -i -e '/\[build-system\]/,$d' pyproject.toml || die
+	cat >> pyproject.toml <<-EOF || die
+		[build-system]
+		requires = ["uv_build<9999"]
+		build-backend = "uv_build"
+		backend-path = ["src"]
+	EOF
+
+	# rename to make uv-build find it
+	mv python src || die
+}
+
+python_test() {
+	"${EPYTHON}" -m build -n || die "Self-build failed with ${EPYTHON}"
+
+	local zip_result=$(
+		unzip -t "dist/uv_build-${PV}-py3-none-any.whl" || die
+	)
+	local zip_expected="\
+Archive:  dist/uv_build-${PV}-py3-none-any.whl
+    testing: uv_build/                OK
+    testing: uv_build/__init__.py     OK
+    testing: uv_build/__main__.py     OK
+    testing: uv_build/py.typed        OK
+    testing: uv_build-${PV}.dist-info/   OK
+    testing: uv_build-${PV}.dist-info/WHEEL   OK
+    testing: uv_build-${PV}.dist-info/METADATA   OK
+    testing: uv_build-${PV}.dist-info/RECORD   OK
+No errors detected in compressed data of dist/uv_build-${PV}-py3-none-any.whl.\
+"
+	if [[ ${zip_result} != ${zip_expected} ]]; then
+		eerror ".zip result:\n${zip_result}"
+		eerror ".zip expected:\n${zip_expected}"
+		die ".whl result mismatch"
+	fi
+
+	local tar_result=$(
+		tar -tf "dist/uv_build-${PV}.tar.gz" || die
+	)
+	local tar_expected="\
+uv_build-${PV}/PKG-INFO
+uv_build-${PV}/
+uv_build-${PV}/README.md
+uv_build-${PV}/pyproject.toml
+uv_build-${PV}/src
+uv_build-${PV}/src/uv_build
+uv_build-${PV}/src/uv_build/__init__.py
+uv_build-${PV}/src/uv_build/__main__.py
+uv_build-${PV}/src/uv_build/py.typed\
+"
+	if [[ ${tar_result} != ${tar_expected} ]]; then
+		eerror ".tar.gz result:\n${tar_result}"
+		eerror ".tar.gz expected:\n${tar_expected}"
+		die ".tar.gz result mismatch"
+	fi
+}