diff --git a/sdk_container/src/third_party/portage-stable/dev-util/glib-utils/Manifest b/sdk_container/src/third_party/portage-stable/dev-util/glib-utils/Manifest
index 37d2aa1b2b..8ad462b9a2 100644
--- a/sdk_container/src/third_party/portage-stable/dev-util/glib-utils/Manifest
+++ b/sdk_container/src/third_party/portage-stable/dev-util/glib-utils/Manifest
@@ -1 +1,2 @@
 DIST glib-2.76.2.tar.xz 5273836 BLAKE2B db5d5e45fe4a17bade7f5bf923ac0e5541237d19146ede33b4d52f05b82e4ecb94519393f49ac3b04e17d0f56bfd5dd99b8e81ae80956cfdb5cb2396cd5ec8cc SHA512 5a99723d72ae987999bdf3eac4f3cabe2e014616038f2006e84060b97d6d290b7d44a20d700e9c0f4572a6defed56169f624bcd21b0337f32832b311aa2737e6
+DIST glib-2.76.3.tar.xz 5273460 BLAKE2B 894635281d1a3eb60d274b8db91cd59069b6d0abe61295175c794ad44e8669d869009fac44c7d6f416a93adcea5b9aeb90b944047d013fa1f2d9b1a8ded3de1e SHA512 291b8913918d411b679442b888f56893a857a77decfe428086c8bd1da1949498938ddb0bf254ed99d192e4a09b5e8cee1905fd6932ee642463fb229cac7c226e
diff --git a/sdk_container/src/third_party/portage-stable/dev-util/glib-utils/glib-utils-2.76.2.ebuild b/sdk_container/src/third_party/portage-stable/dev-util/glib-utils/glib-utils-2.76.2.ebuild
index d94a24e0b1..4ba09d56ba 100644
--- a/sdk_container/src/third_party/portage-stable/dev-util/glib-utils/glib-utils-2.76.2.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-util/glib-utils/glib-utils-2.76.2.ebuild
@@ -14,7 +14,7 @@ LICENSE="LGPL-2.1+"
 SLOT="0" # /usr/bin utilities that can't be parallel installed by their nature
 REQUIRED_USE="${PYTHON_REQUIRED_USE}"
 
-KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris ~x86-winnt"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris"
 
 RDEPEND="${PYTHON_DEPS}"
 DEPEND="${RDEPEND}"
diff --git a/sdk_container/src/third_party/portage-stable/dev-util/glib-utils/glib-utils-2.76.3.ebuild b/sdk_container/src/third_party/portage-stable/dev-util/glib-utils/glib-utils-2.76.3.ebuild
new file mode 100644
index 0000000000..ae99e9487c
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-util/glib-utils/glib-utils-2.76.3.ebuild
@@ -0,0 +1,62 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+PYTHON_COMPAT=( python3_{9..12} )
+GNOME_ORG_MODULE="glib"
+
+inherit gnome.org python-single-r1
+
+DESCRIPTION="Build utilities for GLib using projects"
+HOMEPAGE="https://www.gtk.org/"
+
+LICENSE="LGPL-2.1+"
+SLOT="0" # /usr/bin utilities that can't be parallel installed by their nature
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+
+RDEPEND="${PYTHON_DEPS}"
+DEPEND="${RDEPEND}"
+BDEPEND="
+	dev-libs/libxslt
+	app-text/docbook-xsl-stylesheets
+"
+
+src_configure() { :; }
+
+do_xsltproc_command() {
+	# Taken from meson.build for manual manpage building - keep in sync (also copied to dev-util/gdbus-codegen)
+	xsltproc \
+		--nonet \
+		--stringparam man.output.quietly 1 \
+		--stringparam funcsynopsis.style ansi \
+		--stringparam man.th.extra1.suppress 1 \
+		--stringparam man.authors.section.enabled 0 \
+		--stringparam man.copyright.section.enabled 0 \
+		-o "${2}" \
+		http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl \
+		"${1}" || die "manpage generation failed"
+}
+
+src_compile() {
+	sed -e "s:@VERSION@:${PV}:g;s:@PYTHON@:python:g" gobject/glib-genmarshal.in > gobject/glib-genmarshal || die
+	sed -e "s:@VERSION@:${PV}:g;s:@PYTHON@:python:g" gobject/glib-mkenums.in > gobject/glib-mkenums || die
+	sed -e "s:@GLIB_VERSION@:${PV}:g;s:@PYTHON@:python:g" glib/gtester-report.in > glib/gtester-report || die
+	do_xsltproc_command docs/reference/gobject/glib-genmarshal.xml docs/reference/gobject/glib-genmarshal.1
+	do_xsltproc_command docs/reference/gobject/glib-mkenums.xml docs/reference/gobject/glib-mkenums.1
+	do_xsltproc_command docs/reference/glib/gtester-report.xml docs/reference/glib/gtester-report.1
+}
+
+src_install() {
+	python_fix_shebang gobject/glib-genmarshal
+	python_fix_shebang gobject/glib-mkenums
+	python_fix_shebang glib/gtester-report
+	exeinto /usr/bin
+	doexe gobject/glib-genmarshal
+	doexe gobject/glib-mkenums
+	doexe glib/gtester-report
+	doman docs/reference/gobject/glib-genmarshal.1
+	doman docs/reference/gobject/glib-mkenums.1
+	doman docs/reference/glib/gtester-report.1
+}