diff --git a/dev-ruby/activejob/Manifest b/dev-ruby/activejob/Manifest
index c8645b46085b2..34d0defe0812a 100644
--- a/dev-ruby/activejob/Manifest
+++ b/dev-ruby/activejob/Manifest
@@ -4,3 +4,4 @@ DIST rails-7.2.3.tgz 11222967 BLAKE2B 408474d7ec82581cd7f3621bae861c23496f38b9cc
 DIST rails-8.0.4.tgz 11905714 BLAKE2B 3146be192bd6358018aad6b90e49b3102fcd20203cd7fb00672b75470ce3dca244bb5d2b51661ad0d9123471052b3920c05a33fe450e1109efaa368794bbfd04 SHA512 2b01a0abbe24b6f0ffcec10a3a14c50ab325a247832873363922bd3fa174ddbb26a045b6f8e6cff4fe5124d790990ecf5c256111085e5f64146d8b89734ed71c
 DIST rails-8.1.1.tgz 13019384 BLAKE2B 292c15166fa346a069bc1cbdd4c288722d474e53c3582f59d25ce16b7382122b9693981e6da24f64a57b7c80e07d64cbfa2769916daa8279dfe7b4924b301152 SHA512 4dcd8ef416eae2af8911801df1c0f4502cd625710df688bd8de3d4d4120fdddcdc38630982e8d4296d99a6113a52445e3d255228b17e7f6c625fd08b80e20150
 DIST rails-8.1.2.tgz 13031832 BLAKE2B 85bde01384698e7556d53339435b94f884a0c385adafd5dbcda9183e4d6899f0817805426c35b464d4a98a7f91753936450c00fe06f5460e43a0439e79ef5694 SHA512 b46e6d728bdfa846eeaaf10cdda0b680760665f9f003bbad01b40ab3c4356115aadd7bd7d394297f294e3122852e9505acbe8e9cc3606cf2ef136600ae38b473
+DIST rails-8.1.3.1.tgz 13043572 BLAKE2B d2d1d0af5de2fec54e6ebb8f25db665a130f3ef7a7b38e169b7f7e047c164446fefe3eb751f5ad28dd81529d5db67ae6de9a41c5a51d7835e7454fdd747a8a18 SHA512 bf13225334706c092199e49e42f2d71dda9d33cbd57f4ff1c6069d38cd857c503cb54c7f3d4778cefa4cce9479104dbd7d893752913a28af71333daf7872d422
diff --git a/dev-ruby/activejob/activejob-8.1.3.1.ebuild b/dev-ruby/activejob/activejob-8.1.3.1.ebuild
new file mode 100644
index 0000000000000..afa540dcf5f7c
--- /dev/null
+++ b/dev-ruby/activejob/activejob-8.1.3.1.ebuild
@@ -0,0 +1,60 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+USE_RUBY="ruby32 ruby33 ruby34 ruby40"
+
+RUBY_FAKEGEM_BINWRAP=""
+RUBY_FAKEGEM_DOCDIR=""
+RUBY_FAKEGEM_EXTRADOC="CHANGELOG.md README.md"
+RUBY_FAKEGEM_GEMSPEC="${PN}.gemspec"
+RUBY_FAKEGEM_RECIPE_DOC=""
+
+inherit edo ruby-fakegem
+
+DESCRIPTION="Job framework with pluggable queues"
+HOMEPAGE="https://github.com/rails/rails"
+
+SRC_URI="https://github.com/rails/rails/archive/v${PV}.tar.gz -> rails-${PV}.tgz"
+RUBY_S="rails-${PV}/${PN}"
+
+LICENSE="MIT"
+SLOT="$(ver_cut 1-2)"
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~riscv ~sparc ~x86"
+
+ruby_add_rdepend "
+	~dev-ruby/activesupport-${PV}
+	>=dev-ruby/globalid-0.3.6
+"
+
+ruby_add_bdepend "
+	test? (
+		dev-ruby/bundler
+		dev-ruby/minitest:6
+		dev-ruby/minitest-mock
+	)
+"
+
+all_ruby_prepare() {
+	# Replace Gemfile with something simpler for the test run
+	cat <<-EOF > ../Gemfile || die
+	source "https://rubygems.org"
+	gemspec
+
+	gem "rake"
+
+	gem "minitest", "~> 6.0"
+	gem "minitest-mock"
+	EOF
+	rm ../Gemfile.lock || die
+
+	# Unpackaged
+	sed -e '/SneakersAdapter/ s:^:#:' -i test/cases/exceptions_test.rb || die
+}
+
+each_ruby_test() {
+	local -x BUNDLE_GEMFILE="../Gemfile"
+	local -x MT_NO_PLUGINS=true
+	edo ${RUBY} -S bundle exec ${RUBY} --disable=did_you_mean -S rake test:test
+}