diff --git a/dev-ruby/msgpack/Manifest b/dev-ruby/msgpack/Manifest
index 049c52e8fbf77..00f0b045cf510 100644
--- a/dev-ruby/msgpack/Manifest
+++ b/dev-ruby/msgpack/Manifest
@@ -1,2 +1,3 @@
 DIST msgpack-1.7.1.tar.gz 89373 BLAKE2B c8f1a9312e8a3610ecb3d41aa5f375efb0f059af29419f8be8879865e5b67578c6ea5e684ea4828aac4c7f636e613b720cb79e5e092500f72210fb783c457cc5 SHA512 31d9262f4f9b2537e6982aa72b3d7c50d90a95422f8636425448eb160412eb39e34888d584eb5286cf3f69317c0c81c2a2360f6b633f771701603a6cec7849e4
 DIST msgpack-1.7.2.tar.gz 90108 BLAKE2B e5630ed36b9e6574bdd6c823afc15958d3b2a58e0e43738c84595d017274d7fc2761d0b4baac2fc8b5ba5ef0f6e1bf78e8c448ef81aa9841c8b3f875bb67c90e SHA512 c7ecf8031644c87debf6fab7d6b358a80cccefe4c0c795695056e5e82b1138641a5b94ea05b2b6edf20de2621ac59c059dce6a627a254742fbca8f73f0110c10
+DIST msgpack-1.7.3.tar.gz 90204 BLAKE2B 73ca382afe193d8a0f2ec7555bdacdb9c94804eed4a8239a7191462b978f6b6c19b6e4224b4059c42541190a5b4b8ce3a701649a5b2e22557fe719f55c1250ca SHA512 8c81882279217e35c9f060d7111a8fc5faa60d036f4d2bacfe32c12e898d6130f5172164028f884a52929a352bf68e98501b84f55a9fb16ce262600bd92bc3b9
diff --git a/dev-ruby/msgpack/msgpack-1.7.3.ebuild b/dev-ruby/msgpack/msgpack-1.7.3.ebuild
new file mode 100644
index 0000000000000..384ab2ec0e3d2
--- /dev/null
+++ b/dev-ruby/msgpack/msgpack-1.7.3.ebuild
@@ -0,0 +1,34 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+USE_RUBY="ruby31 ruby32 ruby33"
+
+RUBY_FAKEGEM_RECIPE_TEST="rspec3"
+RUBY_FAKEGEM_EXTRADOC="ChangeLog README.md"
+RUBY_FAKEGEM_BINWRAP=""
+RUBY_FAKEGEM_EXTENSIONS=(ext/msgpack/extconf.rb)
+RUBY_FAKEGEM_EXTENSION_LIBDIR="lib/msgpack"
+RUBY_FAKEGEM_GEMSPEC="${PN}.gemspec"
+
+inherit ruby-fakegem
+
+DESCRIPTION="Binary-based efficient data interchange format for ruby binding"
+HOMEPAGE="https://msgpack.org/"
+SRC_URI="https://github.com/msgpack/msgpack-ruby/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+RUBY_S="${PN}-ruby-${PV}"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+IUSE="doc"
+
+all_ruby_prepare() {
+	sed -i -e '/bundler/I s:^:#:' Rakefile || die
+
+	# Remove jruby-specific specs that are run also for other rubies.
+	rm -rf spec/jruby || die
+
+	sed -i -e 's/git ls-files -z/find * -print0/' msgpack.gemspec || die
+}