diff --git a/dev-python/uv-build/Manifest b/dev-python/uv-build/Manifest
index b4acf0a816be1..408a037feb307 100644
--- a/dev-python/uv-build/Manifest
+++ b/dev-python/uv-build/Manifest
@@ -6,3 +6,4 @@ DIST uv_build-0.11.24.tar.gz 401361 BLAKE2B cdafaca66f3a6dd5db0f9e7520428790b1eb
 DIST uv_build-0.11.25.tar.gz 404894 BLAKE2B 6922a5e91c5c657ca5ed90edb0250cbd7192d208cdc135d8c5de74c04de8b91c10d7c0d52d58224a6cb60c7114ecbdcbc2181ac18b0b69cf41d88fd007329a36 SHA512 9315f67c76004b6b45e08d8cad53e5ac4f04a2342e18768523e71f9dc2f7e81aec599f968983df3237d1ad3dc9b87b088f99d2ea79994543fa3623ab21ae5730
 DIST uv_build-0.11.26.tar.gz 405178 BLAKE2B c59258a222a8346543ab8bde8d425600c9a575a1da4b5c96b7470cb5b8f3830168d513e1d6337d00e79e94766a6604b0946e5bf2fce192800a8f1aa5576b2e5a SHA512 3331e4195fc72543fb546f4a86e2eeb036277ceebba37151a3faaefb921c8508d99e8bc25dacd57eb26a8744b1b76f2b90df4dff97450e97518fcd5ca80fe287
 DIST uv_build-0.11.27.tar.gz 406474 BLAKE2B bb3c669e37059b2777c51120578caae84db54379f765c13a946b2fdc5e502e3c67ee7e30f7d2e1dde649961c6f2d0a10e758bf9b6b1835cb600f2400925ac627 SHA512 e7a7f461cf1ae899b24fcedc08fd739f352347eacb1f215026745a6b170e552504ed712b91519cff170ae81e36d6b7403a0270e9766e2cdf644411b51e62cf9c
+DIST uv_build-0.11.28.tar.gz 408697 BLAKE2B 2c318b2f6f734f1da4bed3ea0bba8fa4ef51e76853be25dc19277b5347f8b45eb22a923f0a20575982dd9eac0dfaecf15c2a6bcbcd2357a75e6bcedf6a64231d SHA512 c502494cde643e2a5e45e34ba3be3132720f6ec4c7e4c966c02a673308d44f1ee313d84ab267ffb6cb88cb0227075b88369381bbe89b9b6333b1f4eb89bc0724
diff --git a/dev-python/uv-build/uv-build-0.11.28.ebuild b/dev-python/uv-build/uv-build-0.11.28.ebuild
new file mode 100644
index 0000000000000..ec8ac56f327ac
--- /dev/null
+++ b/dev-python/uv-build/uv-build-0.11.28.ebuild
@@ -0,0 +1,99 @@
+# Copyright 2025-2026 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=( python3_{12..15} )
+
+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 ~s390 ~x86"
+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
+}