diff --git a/dev-perl/Moose/Manifest b/dev-perl/Moose/Manifest
index 4f408ecd38edd..624ff60a56d4f 100644
--- a/dev-perl/Moose/Manifest
+++ b/dev-perl/Moose/Manifest
@@ -1 +1,2 @@
 DIST Moose-2.2207.tar.gz 906966 BLAKE2B 1506eea6bc9bb750c8c79618128b55b56b2948dc5ab525dbc7d244d21a6e746bee70d072e03a465a554ec1f140885ee20e6904f51139f08316ebfe0ed9f7a316 SHA512 bc0efe3b9c7fea8ef6bb2976d2ec677250f998b3d8513a7fca59a10291f8ff5f13dd5e1d49d036071d93b5caa19685b704ef3588aa9307cda40ec5ba15b6985a
+DIST Moose-2.4000.tar.gz 906275 BLAKE2B 0ae22a6e74e7a91649cb4e6f34840d7985158581528e29af34a7da597e0bf2eac9d62e294f812075eef29a7a2d5f8b3fee52aa18c32ae0f72789059c563fd847 SHA512 facae305a538ce55cad1aa1b420a5a2ba7a6f2de502257fe84094ce1d2f91c8f297318e404c1bc236ce6ef2800bac9bb782191061925505c970fb6e38ff1ab87
diff --git a/dev-perl/Moose/Moose-2.400.0.ebuild b/dev-perl/Moose/Moose-2.400.0.ebuild
new file mode 100644
index 0000000000000..910ad67c13df6
--- /dev/null
+++ b/dev-perl/Moose/Moose-2.400.0.ebuild
@@ -0,0 +1,48 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DIST_AUTHOR=ETHER
+DIST_VERSION=2.4000
+DIST_EXAMPLES=("benchmarks/*")
+
+inherit perl-module
+
+DESCRIPTION="Postmodern object system for Perl 5"
+
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~loong ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos"
+
+RDEPEND="
+	>=virtual/perl-Carp-1.220.0
+	>=dev-perl/Class-Load-0.90.0
+	>=dev-perl/Class-Load-XS-0.10.0
+	>=dev-perl/Data-OptList-0.110.0
+	dev-perl/Devel-GlobalDestruction
+	>=dev-perl/Devel-OverloadInfo-0.5.0
+	>=dev-perl/Devel-StackTrace-2.30.0
+	>=dev-perl/Dist-CheckConflicts-0.20.0
+	>=dev-perl/Eval-Closure-0.40.0
+	>=virtual/perl-Scalar-List-Utils-1.560.0
+	>=dev-perl/MRO-Compat-0.50.0
+	>=dev-perl/Module-Runtime-0.14.0
+	>=dev-perl/Module-Runtime-Conflicts-0.2.0
+	>=dev-perl/Package-DeprecationManager-0.110.0
+	>=dev-perl/Package-Stash-0.320.0
+	>=dev-perl/Package-Stash-XS-0.240.0
+	>=dev-perl/Params-Util-1.0.0
+	>=dev-perl/Sub-Exporter-0.980.0
+	>=dev-perl/Try-Tiny-0.170.0
+	>=virtual/perl-parent-0.223.0
+"
+BDEPEND="
+	${RDEPEND}
+	>=virtual/perl-JSON-PP-2.273.0
+	test? (
+		>=dev-perl/CPAN-Meta-Check-0.11.0
+		>=dev-perl/Test-Fatal-0.1.0
+		>=virtual/perl-Test-Simple-0.960.0
+		>=dev-perl/Test-Needs-0.2.10
+	)
+"