diff --git a/dev-ruby/matrix/Manifest b/dev-ruby/matrix/Manifest
index 9ce047fbe16f8..8227452251593 100644
--- a/dev-ruby/matrix/Manifest
+++ b/dev-ruby/matrix/Manifest
@@ -1 +1,2 @@
 DIST matrix-0.4.2.tar.gz 42649 BLAKE2B 03b7f3482d6d5a48c626fee824039c182a35242a2c25875e7cada4d781d1939ed780b5cbf8c45645d07c81e4f5d5c5559a1ec236a5152e095a60228e4ed3c59e SHA512 b47d1d662acdca703afd323fe9293726e051b0ef87162ff45c26c62fad2f3158f71d943f36f7c6706702885e2fdea8483b37ee45f25295225e86dec5f88590a4
+DIST matrix-0.4.3.tar.gz 33967 BLAKE2B 4dbafcf0f91f3b78c139a39fe3d90553266b604bf18e85958614cf8e840c7f0fc4f776f9860eac4ba260312ecaf4f7a15d1de381b55bb7322d0524536733095d SHA512 54cb023d1e8c32eecc063bb734dc929ef541681b2681da8a3b3893d704b25b76c64833b64fa01f3325c2b3751919dd3c8eb29556380a581cfffe63e5a6c89e56
diff --git a/dev-ruby/matrix/matrix-0.4.3.ebuild b/dev-ruby/matrix/matrix-0.4.3.ebuild
new file mode 100644
index 0000000000000..21cd81050605a
--- /dev/null
+++ b/dev-ruby/matrix/matrix-0.4.3.ebuild
@@ -0,0 +1,27 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+USE_RUBY="ruby32 ruby33 ruby34"
+
+RUBY_FAKEGEM_EXTRADOC="CHANGELOG.md README.md"
+
+RUBY_FAKEGEM_BINWRAP=""
+RUBY_FAKEGEM_GEMSPEC="${PN}.gemspec"
+
+inherit ruby-fakegem
+
+DESCRIPTION="An implementation of Matrix and Vector classes"
+HOMEPAGE="https://github.com/ruby/matrix"
+SRC_URI="https://github.com/ruby/matrix/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="BSD-2"
+
+SLOT="$(ver_cut 1)"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+
+all_ruby_prepare() {
+	sed -i -e 's:require_relative ":require "./:' -e 's/__dir__/"."/' ${RUBY_FAKEGEM_GEMSPEC} || die
+	sed -i -e '/bundler/I s:^:#:' Rakefile || die
+}