diff --git a/dev-build/gn/Manifest b/dev-build/gn/Manifest
index 645485b103483..ab4d1d230ed04 100644
--- a/dev-build/gn/Manifest
+++ b/dev-build/gn/Manifest
@@ -2,3 +2,4 @@ DIST gn-0.2122.tar.xz 740444 BLAKE2B df57fb611f26964ed3ac47365080cd043ba42062334
 DIST gn-0.2217.tar.xz 754264 BLAKE2B 671cbe6d3767bf108604cd13fa1363339f1688ed9b2b59a8470225e077762bcc77d491636ba22e73e00ebeaf5054260cbce4e01f4db8cf30b7bf06ecbcb41151 SHA512 9f9872f35c1e8d7b33996377413c81c1cc9d9873fd0e889155089ceb609e6382eae3d776bb3c0cb83fe7c285997f1eca63c2d1807ff895a716cdb52dfc905366
 DIST gn-0.2227.tar.xz 755232 BLAKE2B f7430d4175a91d2f2d3991c346477ee06b450e81fd1424019d3b9316da5def5637db312c2ed68eb392e71f3e0279d894f25f7c44e91b6f1e3e919d2bfaef5e19 SHA512 807bb74f5c9bb16a3f1d871bb1f31ee5415dd3e1ed16acbd0105438f1d8b562d77d44192bc968dbf5486b26de7a103ccf3c9aad4ad84c596509d1c5495af27b4
 DIST gn-0.2235.tar.xz 755696 BLAKE2B a66577a1ce3dc726f4d6b06221428a8fdbced5c9f57bde1cd7538fbc3cef1c81b9a40a386d9f317d24c9400d0a8cca2c593013f4496ba34b6f3a26e49ed6569a SHA512 2acc5937ff684180a6529d80d97ed7b615e43a1e4b58544ae5e00ec6021c51aa99fb9150cb6642c3bebe4545af957f890a32bacc3942948c8b1a47efd30b3db7
+DIST gn-0.2289.tar.xz 762416 BLAKE2B cb3c3e6bc28ba40ccd8b1f30cbcabebdf10e65d7f0072b43fc0f06c07f148e9eb4b3ddaf84f8d3f3f3be1e9153aedd40b9be0b7b14711a28cb92b539c671e60d SHA512 0abadf6af9e6c15c9d2586daa3ba1546990b1e32eb40843417a6dc73b57213da5cf9c403d23ed04af47f9ab3986aae91caf68615ff16562fe1e89ee674df289a
diff --git a/dev-build/gn/gn-0.2289.ebuild b/dev-build/gn/gn-0.2289.ebuild
new file mode 100644
index 0000000000000..cf7c2fa50028f
--- /dev/null
+++ b/dev-build/gn/gn-0.2289.ebuild
@@ -0,0 +1,66 @@
+# Copyright 2018-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+PYTHON_COMPAT=( python3_{10..13} )
+
+inherit edo ninja-utils python-any-r1 toolchain-funcs
+
+DESCRIPTION="GN is a meta-build system that generates build files for Ninja"
+HOMEPAGE="https://gn.googlesource.com/"
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://gn.googlesource.com/gn"
+else
+	# The version number is derived from `git describe HEAD --abbrev=12`
+	SRC_URI="https://deps.gentoo.zip/dev-build/gn/${P}.tar.xz"
+	KEYWORDS="~amd64 ~arm64 ~loong ~ppc64 ~riscv ~x86"
+fi
+
+LICENSE="BSD"
+SLOT="0"
+
+BDEPEND="
+	${PYTHON_DEPS}
+	app-alternatives/ninja
+"
+
+PATCHES=(
+	"${FILESDIR}"/gn-gen-r8.patch
+)
+
+pkg_setup() {
+	:
+}
+
+src_configure() {
+	python_setup
+	tc-export AR CC CXX
+	unset CFLAGS
+	set -- ${EPYTHON} build/gen.py --no-last-commit-position --no-strip --no-static-libstdc++ --allow-warnings
+	edo "$@"
+	cat >out/last_commit_position.h <<-EOF || die
+	#ifndef OUT_LAST_COMMIT_POSITION_H_
+	#define OUT_LAST_COMMIT_POSITION_H_
+	#define LAST_COMMIT_POSITION_NUM ${PV##0.}
+	#define LAST_COMMIT_POSITION "${PV}"
+	#endif  // OUT_LAST_COMMIT_POSITION_H_
+	EOF
+}
+
+src_compile() {
+	eninja -C out gn
+}
+
+src_test() {
+	eninja -C out gn_unittests
+	out/gn_unittests || die
+}
+
+src_install() {
+	dobin out/gn
+	einstalldocs
+
+	insinto /usr/share/vim/vimfiles
+	doins -r misc/vim/{autoload,ftdetect,ftplugin,syntax}
+}