diff --git a/dev-util/glslang/Manifest b/dev-util/glslang/Manifest
index f4357ce97b41..e877263c2027 100644
--- a/dev-util/glslang/Manifest
+++ b/dev-util/glslang/Manifest
@@ -1,2 +1,3 @@
 DIST glslang-1.4.321.0.tar.gz 4205817 BLAKE2B b6232a6ea85a4a690e1b12c0cd904f55eaa12fe57e8ceef64c4ae863e38b994a1ee01668b3ab1cf619e81a5899e8bb7e08cd79855c59571cc30f99eec4418034 SHA512 284c662e3902d443145e3cc9dc7d68ecadaf4a78d2d66d144624cbcb4235e1c7384712448a929b5fd4b412abddc879e9630ba0e92f62af5b57776122bf19d8cf
 DIST glslang-1.4.328.0.tar.gz 4193518 BLAKE2B db02d964e1cd1ec26050b7733d9e7b43835fc18e28dddc21e9ae0afa5914dcd92137535bafb8c888765b6f937f022254982f70a72597094f6efba9126590b126 SHA512 a732b1bfa6b4420cccfeccd2ea31fd72f026c3cd5e9e36ac906b86f15f7470ac3c0a32a22f3d9a0219d8d6c7d059a09f528e3166de129075d0c3acf63c5cd3e7
+DIST glslang-1.4.335.0.tar.gz 4247137 BLAKE2B 0a714296f02948ae19647258f04b51ffec1c6955b7cc634dfe34fa93f48c43c8c5e47fcf0f563394921e41740869b402b4c8e6cf6be8a6b6c11097ec8d67b401 SHA512 4b3774f745b80a8ed8169504d7f649fd92351281f459359288e5a4837e257039d32ece63a29bfc9367a3cb5383ec2ab7bfda6be091ba7928d9f7666776a795cb
diff --git a/dev-util/glslang/glslang-1.4.335.0.ebuild b/dev-util/glslang/glslang-1.4.335.0.ebuild
new file mode 100644
index 000000000000..2209c0e7d7e1
--- /dev/null
+++ b/dev-util/glslang/glslang-1.4.335.0.ebuild
@@ -0,0 +1,38 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+inherit cmake-multilib python-any-r1
+
+if [[ ${PV} == *9999* ]]; then
+	EGIT_REPO_URI="https://github.com/KhronosGroup/${PN}.git"
+	inherit git-r3
+else
+	GIT_COMMIT="vulkan-sdk-${PV}"
+	SRC_URI="https://github.com/KhronosGroup/${PN}/archive/${GIT_COMMIT}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~x86"
+	S="${WORKDIR}/${PN}-${GIT_COMMIT}"
+fi
+
+DESCRIPTION="Khronos reference front-end for GLSL and ESSL, and sample SPIR-V generator"
+HOMEPAGE="https://www.khronos.org/opengles/sdk/tools/Reference-Compiler/ https://github.com/KhronosGroup/glslang"
+
+LICENSE="BSD"
+SLOT="0/16.1"
+
+BDEPEND="${PYTHON_DEPS}
+	~dev-util/spirv-tools-${PV}[${MULTILIB_USEDEP}]
+"
+
+DEPEND="~dev-util/spirv-tools-${PV}[${MULTILIB_USEDEP}]"
+RDEPEND="${DEPEND}"
+
+multilib_src_configure() {
+	local mycmakeargs=(
+		-DENABLE_PCH=OFF
+		-DALLOW_EXTERNAL_SPIRV_TOOLS=ON
+	)
+	cmake_src_configure
+}
diff --git a/dev-util/glslang/glslang-9999.ebuild b/dev-util/glslang/glslang-9999.ebuild
index b86cb1cb331b..2209c0e7d7e1 100644
--- a/dev-util/glslang/glslang-9999.ebuild
+++ b/dev-util/glslang/glslang-9999.ebuild
@@ -20,7 +20,7 @@ DESCRIPTION="Khronos reference front-end for GLSL and ESSL, and sample SPIR-V ge
 HOMEPAGE="https://www.khronos.org/opengles/sdk/tools/Reference-Compiler/ https://github.com/KhronosGroup/glslang"
 
 LICENSE="BSD"
-SLOT="0/16.0"
+SLOT="0/16.1"
 
 BDEPEND="${PYTHON_DEPS}
 	~dev-util/spirv-tools-${PV}[${MULTILIB_USEDEP}]