diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/libunistring/Manifest b/sdk_container/src/third_party/portage-stable/dev-libs/libunistring/Manifest
index 26e7ef66e1..55b8307846 100644
--- a/sdk_container/src/third_party/portage-stable/dev-libs/libunistring/Manifest
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/libunistring/Manifest
@@ -2,3 +2,4 @@ DIST libunistring-0.9.10.tar.xz 2051320 BLAKE2B 25d162d9d510cc35ad4209acceb9b06b
 DIST libunistring-1.0.tar.xz 2367800 BLAKE2B 8208fe33d4ac2f015b0efb56b0c7dd87afc4bb1c6ca4eb3ded86d7e2101d7b7f68bfd8991af4b6dd408282ec73f134ee0b884e761ff6d52e8a1e398326aec420 SHA512 70d5ad82722844dbeacdfcb4d7593358e4a00a9222a98537add4b7f0bf4a2bb503dfb3cd627e52e2a5ca1d3da9e5daf38a6bd521197f92002e11e715fb1662d1
 DIST libunistring-1.1.tar.xz 2397676 BLAKE2B 721adc90884006480055b95d0fa06cd862417aa02b467f1e14688292ad9c11f1e33520b14ed5dc2d2724c6df8713d3af1e8032014259d8355156cb72edfcb983 SHA512 01a4267bbd301ea5c389b17ee918ae5b7d645da8b2c6c6f0f004ff2dead9f8e50cda2c6047358890a5fceadc8820ffc5154879193b9bb8970f3fb1fea1f411d6
 DIST libunistring-1.2.tar.xz 2502196 BLAKE2B 606c6fdd93f05b01e9b08b3bd30283afcbf9a3425abf900e7672f1d6eb91b51009913d4f5e45a4c1c1b82a84b4870d3eaced9ca76fd570936ad5c39c94038fc7 SHA512 5fbb5a0a864db73a6d18cdea7b31237da907fff0ef288f3a8db6ebdba8ef61ad8855e5fc780c2bbf632218d8fa59dd119734e5937ca64dc77f53f30f13b80b17
+DIST libunistring-1.3.tar.xz 2753448 BLAKE2B 213d24ea4ba5e960a030bd83fc1b6c9d9a5e33d63ade8874e2a15d1b7a0acbe4b2d03df18065f6c17f01bfed94f7e70ef474e713f5c5ad2375cf2438457b0379 SHA512 864d42b1d4ae4941fe5c8327d6726ab8e3a35d2d5f9d25ce4859a72ab2f549a7b68f58638cf8767d863f58161d1a4053495d185860964a942d6750e42facf931
diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/libunistring/libunistring-1.3.ebuild b/sdk_container/src/third_party/portage-stable/dev-libs/libunistring/libunistring-1.3.ebuild
new file mode 100644
index 0000000000..4274250915
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/libunistring/libunistring-1.3.ebuild
@@ -0,0 +1,49 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit multilib-minimal libtool
+
+DESCRIPTION="Library for manipulating Unicode and C strings according to Unicode standard"
+HOMEPAGE="https://www.gnu.org/software/libunistring/"
+SRC_URI="mirror://gnu/${PN}/${P}.tar.xz"
+
+LICENSE="|| ( LGPL-3+ GPL-2+ ) || ( FDL-1.2 GPL-3+ )"
+# Check regularly even on "minor" bumps
+SLOT="0/5"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+IUSE="doc static-libs"
+
+QA_CONFIG_IMPL_DECL_SKIP=(
+	# bug #900374
+	unreachable
+	MIN
+	static_assert
+	alignof
+)
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-nodocs.patch
+)
+
+src_prepare() {
+	default
+	elibtoolize # for Solaris shared libraries
+}
+
+multilib_src_configure() {
+	ECONF_SOURCE="${S}" econf $(use_enable static-libs static)
+}
+
+multilib_src_install_all() {
+	default
+
+	if use doc ; then
+		docinto html
+		dodoc doc/*.html
+		doinfo doc/*.info
+	fi
+
+	find "${ED}" -name '*.la' -delete || die
+}