diff --git a/dev-ruby/leto/Manifest b/dev-ruby/leto/Manifest
new file mode 100644
index 0000000000000..0fee1decd10dd
--- /dev/null
+++ b/dev-ruby/leto/Manifest
@@ -0,0 +1 @@
+DIST leto-2.1.0.tar.gz 8874 BLAKE2B d7d39a13ad6ceed2d14d7e9c9a39c037115797ce00629a114bad832bc70397a90c3ba86bdc73789b0c0f852df059d15d026338324cd3de9f38a40bf4885d6a9a SHA512 c0bda72b32a96c83ad01281fd2a6e224f504aa45b030e4a203c2df0810bb6dd52dcb9c2633f2514d239a39b14b5c0428f912799eae756373dc0b15051be5e260
diff --git a/dev-ruby/leto/leto-2.1.0.ebuild b/dev-ruby/leto/leto-2.1.0.ebuild
new file mode 100644
index 0000000000000..422ec312686f4
--- /dev/null
+++ b/dev-ruby/leto/leto-2.1.0.ebuild
@@ -0,0 +1,30 @@
+# Copyright 2022-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+USE_RUBY="ruby30 ruby31 ruby32"
+
+RUBY_FAKEGEM_BINWRAP=""
+RUBY_FAKEGEM_EXTRADOC="CHANGELOG.md README.md"
+RUBY_FAKEGEM_GEMSPEC="leto.gemspec"
+RUBY_FAKEGEM_RECIPE_TEST="rspec3"
+
+inherit ruby-fakegem
+
+DESCRIPTION="Generic object traverser for Ruby"
+HOMEPAGE="https://github.com/jaynetics/leto"
+SRC_URI="https://github.com/jaynetics/leto/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="$(ver_cut 1)"
+KEYWORDS="~amd64"
+IUSE=""
+
+all_ruby_prepare() {
+	sed -e 's:_relative ": "./:' \
+		-e 's/git ls-files -z/find * -print0/' \
+		-e 's/__dir__/"."/' \
+		-i ${RUBY_FAKEGEM_GEMSPEC} || die
+	sed -i -e '/simplecov/I s:^:#:' spec/spec_helper.rb || die
+}
diff --git a/dev-ruby/leto/metadata.xml b/dev-ruby/leto/metadata.xml
new file mode 100644
index 0000000000000..8bb4371efdb15
--- /dev/null
+++ b/dev-ruby/leto/metadata.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="project">
+    <email>ruby@gentoo.org</email>
+    <name>Gentoo Ruby Project</name>
+  </maintainer>
+  <upstream>
+    <remote-id type="github">jaynetics/leto</remote-id>
+    <remote-id type="rubygems">leto</remote-id>
+  </upstream>
+</pkgmetadata>