diff --git a/dev-python/scikit-build-core/Manifest b/dev-python/scikit-build-core/Manifest
index 3127518cc8c41..0d66fd66a130b 100644
--- a/dev-python/scikit-build-core/Manifest
+++ b/dev-python/scikit-build-core/Manifest
@@ -6,3 +6,5 @@ DIST scikit_build_core-1.0.1.tar.gz 468128 BLAKE2B 7b2ba289a5e79a8b1a71432e3ebab
 DIST scikit_build_core-1.0.1.tar.gz.provenance 9823 BLAKE2B 93694a5ed43fcc0cee035a2c19a39da00531a1f1e9a30983061b018ecbf971d142915b3e4e7baa7feda85b5c3ed6cdc641a79c4b5515447d800d8e7f36b6c382 SHA512 9dfdf575d24f80cae3f534a7a1e5334f1cf60867a09e747afba8bf56c534f48b64ee5d97aa77af6e1c076c9d180ff52a90adaa381195fcd1dec48693c4696e33
 DIST scikit_build_core-1.0.2.tar.gz 469825 BLAKE2B 11abd8868155e046a0c25b1b2596e2993cd13749c94b236005366e8eb8fbe7fe8b4a6965e54e5b2322a633602cf19d820dec2b2c90015cbc01962ed84ff1cf0b SHA512 9c2986e755b1ac1ace4c77033053084494551b9a41fbae5896f4a9cb9491e68bada713723b454c9a27c1abae214cc0de834c78805c2d8fb55d58ab95114a0b3d
 DIST scikit_build_core-1.0.2.tar.gz.provenance 10011 BLAKE2B c1c9d40f30db12f204447fa487c79ec5aaf2b6361d1a39bc4dfeb4d2188ff6b2f60294d7d3396630c6bb5c3071d29cfa4a5a5c77d9c66a56add636ca322b7fc1 SHA512 e68f3c66e62ab402d5eca861e7711cad3726e33d7378a79c0dbd3b78f31b0ead88d41928669f6cedfbf7372d7e00265e2344a1e6f59d093c0d75ba056efe13d9
+DIST scikit_build_core-1.0.3.tar.gz 477539 BLAKE2B c06ccb744e5c0ebe6afef33425d1442e7e515b5209ab76ee9891776cb75b31a5f01c847056c3df68ae0464f4417e48f1a2a863252f2d8f43b0a0563bf1b15aac SHA512 84f73b5133750ed09804e9cfde48435cd533881948320613c425c42820b78d19a1041f8354a3fb385745bd2036a569dc04b393aea6cb93fd4cc289ed837c8b18
+DIST scikit_build_core-1.0.3.tar.gz.provenance 9921 BLAKE2B 19e77a7d1ba1fa8c0b46933494427a3c8ebe41a865e2a6e9dca2781a2e2b634c69034df110c62c97ff144c5d03c0d05296a044be90966a8d7b64bccf9611325b SHA512 313a5a7fe184725a9b18a7a53950ce05cf128c87c10d93698e75f9aac236d55d609430003778e8207e80c9386d73337edc52fa35c14c5d8727d0b37276db7377
diff --git a/dev-python/scikit-build-core/scikit-build-core-1.0.3.ebuild b/dev-python/scikit-build-core/scikit-build-core-1.0.3.ebuild
new file mode 100644
index 0000000000000..976edd3001a00
--- /dev/null
+++ b/dev-python/scikit-build-core/scikit-build-core-1.0.3.ebuild
@@ -0,0 +1,52 @@
+# Copyright 2023-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=hatchling
+PYPI_VERIFY_REPO=https://github.com/scikit-build/scikit-build-core
+PYTHON_COMPAT=( python3_{12..15} )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="Build backend for CMake based projects"
+HOMEPAGE="
+	https://github.com/scikit-build/scikit-build-core/
+	https://pypi.org/project/scikit-build-core/
+"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~arm64-macos ~x64-macos ~x64-solaris"
+
+# we always want [pyproject] extra
+RDEPEND="
+	app-alternatives/ninja
+	dev-build/cmake
+	>=dev-python/packaging-23.2[${PYTHON_USEDEP}]
+	>=dev-python/pathspec-0.12.0[${PYTHON_USEDEP}]
+	>=dev-python/pyproject-metadata-0.5[${PYTHON_USEDEP}]
+"
+BDEPEND="
+	dev-python/hatch-vcs[${PYTHON_USEDEP}]
+	test? (
+		dev-python/build[${PYTHON_USEDEP}]
+		>=dev-python/cattrs-22.2.0[${PYTHON_USEDEP}]
+		dev-python/fastjsonschema[${PYTHON_USEDEP}]
+		dev-python/pybind11[${PYTHON_USEDEP}]
+		dev-python/setuptools[${PYTHON_USEDEP}]
+		dev-python/virtualenv[${PYTHON_USEDEP}]
+	)
+"
+
+EPYTEST_PLUGINS=( pytest-subprocess )
+distutils_enable_tests pytest
+
+python_test() {
+	local EPYTEST_IGNORE=(
+		# needs unpackaged validate_pyproject
+		tests/test_schema.py
+	)
+
+	epytest -m "not isolated and not network"
+}