diff --git a/dev-util/spirv-tools/Manifest b/dev-util/spirv-tools/Manifest
index bc53a6fb027d3..873a4dc8c2b4d 100644
--- a/dev-util/spirv-tools/Manifest
+++ b/dev-util/spirv-tools/Manifest
@@ -2,3 +2,4 @@ DIST spirv-tools-1.4.328.0.tar.gz 3393733 BLAKE2B fe0639e4a970ab041343587d654ca6
 DIST spirv-tools-1.4.335.0.tar.gz 3424516 BLAKE2B b15438d4cea587e2ece3eff46c8fd50d0e698932943bc685c53a2ee1310124ac32c5f976be01ad667ace9f7b8011eefadc2018b2561eaa1055bce26cc5f8995c SHA512 57c394422d73655559a9a9ba72d96cf376269547824a827023b9626fa8d63ab8df7bb1391dbc56d2b566decde592717d525c68633791105f8b82ed70624f241f
 DIST spirv-tools-1.4.341.0.tar.gz 3455701 BLAKE2B cfcbbd215c925d0f80eabcc54ebfa3ec994d9d3b00d91113726fa9fc91773015cc6a495ea5e240b7d4f3c651cdb20fa21eefb59491c0e0990cbb69c994e6f108 SHA512 429954f382e3a4006c012642509d0530001eb56e802686f35b1dd33a21167e08e2b164cb2f32e8acdd66da7f5bea6046aa184945d7138d3b0b929e512437c40d
 DIST spirv-tools-1.4.350.0.tar.gz 3472744 BLAKE2B 5c64656f356e9b413306c10cb6547d8272cdafcc816ff6c9760ba0f9f343085c12f9e5c5bee8c0067f659bbe42b3a7ca7b48e3bfdc6fd3e40bde1499ab48c77b SHA512 765c71b082c77450b0823d9b04cdcfe8990ff83c9c12ab7d2318c1d7c3caf5d0db175ee8618472544c7ef9e18637d679ce07b6b43b2d6040cdb0435a59dd780b
+DIST spirv-tools-1.4.357.0.tar.gz 3518451 BLAKE2B 50d398f014fbe9111628d0a7a43530dabcd2645890038b714e374ebe459675702a998fbf0c64abef627697be6ee71c1cc749a8db0aa046f8e3578d8d652089dc SHA512 e853b7a08d1d1001a45e8d8f7179be7b02d803959d598bd9d097f096b33fd2a380bcecc8c9c1c446941b9df41018271b45d7995f79f8d360e15feb0c32d43f39
diff --git a/dev-util/spirv-tools/spirv-tools-1.4.357.0.ebuild b/dev-util/spirv-tools/spirv-tools-1.4.357.0.ebuild
new file mode 100644
index 0000000000000..e20dd55002bf8
--- /dev/null
+++ b/dev-util/spirv-tools/spirv-tools-1.4.357.0.ebuild
@@ -0,0 +1,56 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+MY_PN=SPIRV-Tools
+PYTHON_COMPAT=( python3_{11..14} )
+PYTHON_REQ_USE="xml(+)"
+inherit cmake-multilib python-any-r1
+
+if [[ ${PV} == *9999* ]]; then
+	EGIT_REPO_URI="https://github.com/KhronosGroup/${MY_PN}.git"
+	inherit git-r3
+else
+	EGIT_COMMIT="vulkan-sdk-${PV}"
+	SRC_URI="https://github.com/KhronosGroup/${MY_PN}/archive/${EGIT_COMMIT}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+	S="${WORKDIR}"/${MY_PN}-${EGIT_COMMIT}
+fi
+
+DESCRIPTION="Provides an API and commands for processing SPIR-V modules"
+HOMEPAGE="https://github.com/KhronosGroup/SPIRV-Tools"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+DEPEND="~dev-util/spirv-headers-${PV}"
+# RDEPEND=""
+BDEPEND="${PYTHON_DEPS}"
+
+multilib_src_configure() {
+	local mycmakeargs=(
+		-DSPIRV-Headers_SOURCE_DIR="${ESYSROOT}"/usr/
+		-DSPIRV_WERROR=OFF
+		-DSPIRV_SKIP_TESTS=$(usex !test)
+		-DSPIRV_TOOLS_BUILD_STATIC=OFF
+		-DCMAKE_C_FLAGS="${CFLAGS} -DNDEBUG"
+		-DCMAKE_CXX_FLAGS="${CXXFLAGS} -DNDEBUG"
+	)
+
+	cmake_src_configure
+}
+
+src_test() {
+	CMAKE_SKIP_TESTS=(
+		# Not relevant for us downstream
+		spirv-tools-copyrights
+		# Tests fail upon finding symbols that do not match a regular expression
+		# in the generated library. Easily hit with non-standard compiler flags
+		spirv-tools-symbol-exports.*
+	)
+
+	multilib-minimal_src_test
+}