diff --git a/sdk_container/src/third_party/portage-stable/dev-python/msgpack/Manifest b/sdk_container/src/third_party/portage-stable/dev-python/msgpack/Manifest
index 9568215623..9ee781cdfb 100644
--- a/sdk_container/src/third_party/portage-stable/dev-python/msgpack/Manifest
+++ b/sdk_container/src/third_party/portage-stable/dev-python/msgpack/Manifest
@@ -1,2 +1,3 @@
 DIST msgpack-1.0.7.tar.gz 166311 BLAKE2B 8ddf2acf6bf81498d981c3ec83cbdffde1b1611f8ac23d3377f3f1541e679eda288b40b949bd586ca24a7059da3a0f73fa797a661375135ec092f408521c8527 SHA512 0ebd36f45b73106a4272588b55d55e72b6b8441be652b16f63f5547ae7ff1bc517a6b4549ef999ee63deb2856354a71ef37fd8d8829e516232518b046cf589c5
 DIST msgpack-1.0.8.tar.gz 167014 BLAKE2B 714b0355941104e791c5a3b8ee2bd4f40b11484631a3bde63e7c0bdbb925a603c4704b037ab437c2330dc0d2e466d41ccfd50c6a45ef798e5cd34a87e4e3863f SHA512 b739667d4384ba0e18a4e55de6033933822180eb5d28bd7f5ecd7e7da112a214f400740feb45de6f0873d12c8b062b1a8b9b9e5939c2961a8c9585f282645c5b
+DIST msgpack-1.1.0.tar.gz 167260 BLAKE2B fd6497ce248fabae481de41cb27bccf001e75425564f16caff9f5dceb52d82949481589a92635f4c25178f03002daf604073fc2bb07c8133e81a8ee2f1ccb7c4 SHA512 2af3a6ae9a68a0261bf1cbb5ca6925004b421241c445d17023976fe38738049458937a578828cdf3c1f2fd19dfbbcceb21762957bfd459d6862adb110cad3faa
diff --git a/sdk_container/src/third_party/portage-stable/dev-python/msgpack/msgpack-1.0.7.ebuild b/sdk_container/src/third_party/portage-stable/dev-python/msgpack/msgpack-1.0.7.ebuild
index a19c2a895c..e336975b47 100644
--- a/sdk_container/src/third_party/portage-stable/dev-python/msgpack/msgpack-1.0.7.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-python/msgpack/msgpack-1.0.7.ebuild
@@ -18,7 +18,7 @@ HOMEPAGE="
 
 LICENSE="Apache-2.0"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~loong ppc ppc64 ~riscv ~s390 ~sparc x86 ~x64-macos"
+KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ppc ppc64 ~riscv ~s390 ~sparc x86 ~x64-macos"
 IUSE="+native-extensions"
 
 # extension code is relying on CPython implementation details
diff --git a/sdk_container/src/third_party/portage-stable/dev-python/msgpack/msgpack-1.0.8.ebuild b/sdk_container/src/third_party/portage-stable/dev-python/msgpack/msgpack-1.0.8.ebuild
index b4049765ca..5b71941535 100644
--- a/sdk_container/src/third_party/portage-stable/dev-python/msgpack/msgpack-1.0.8.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-python/msgpack/msgpack-1.0.8.ebuild
@@ -18,7 +18,7 @@ HOMEPAGE="
 
 LICENSE="Apache-2.0"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ppc ppc64 ~riscv ~s390 sparc x86 ~x64-macos"
+KEYWORDS="~alpha amd64 arm arm64 hppa ~loong ~m68k ppc ppc64 ~riscv ~s390 sparc x86 ~x64-macos"
 IUSE="+native-extensions"
 
 # extension code is relying on CPython implementation details
diff --git a/sdk_container/src/third_party/portage-stable/dev-python/msgpack/msgpack-1.1.0.ebuild b/sdk_container/src/third_party/portage-stable/dev-python/msgpack/msgpack-1.1.0.ebuild
new file mode 100644
index 0000000000..5494aa178e
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/dev-python/msgpack/msgpack-1.1.0.ebuild
@@ -0,0 +1,59 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_EXT=1
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_COMPAT=( python3_{10..13} pypy3 )
+
+inherit distutils-r1 pypi
+
+DESCRIPTION="MessagePack (de)serializer for Python"
+HOMEPAGE="
+	https://msgpack.org/
+	https://github.com/msgpack/msgpack-python/
+	https://pypi.org/project/msgpack/
+"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-macos"
+IUSE="+native-extensions"
+
+# extension code is relying on CPython implementation details
+BDEPEND="
+	native-extensions? (
+		$(python_gen_cond_dep '
+			>=dev-python/cython-3.0.8[${PYTHON_USEDEP}]
+		' 'python*')
+	)
+"
+
+distutils_enable_tests pytest
+
+python_prepare_all() {
+	# Remove pre-generated cython files
+	rm msgpack/_cmsgpack.c || die
+
+	# native-extensions are always disabled on PyPy
+	# https://github.com/msgpack/msgpack-python/blob/main/setup.py#L76
+	if ! use native-extensions; then
+		export MSGPACK_PUREPYTHON=1
+	fi
+
+	distutils-r1_python_prepare_all
+}
+
+python_configure() {
+	if [[ ${EPYTHON} == python* && ! -f msgpack/_cmsgpack.c ]] &&
+		use native-extensions
+	then
+		cython -v msgpack/_cmsgpack.pyx || die
+	fi
+}
+
+python_test() {
+	rm -rf msgpack || die
+	epytest
+}