diff --git a/dev-ruby/ruby_parser/Manifest b/dev-ruby/ruby_parser/Manifest
index 3b842a142331..66302434c3b6 100644
--- a/dev-ruby/ruby_parser/Manifest
+++ b/dev-ruby/ruby_parser/Manifest
@@ -1 +1,2 @@
 DIST ruby_parser-3.21.1.gem 766464 BLAKE2B d33d1c395ad38851a59ff63ed95a495208ee630723028dc3b10a0e526243f89065da1fe442282e324deff1f9ed377c8f13fc23ebbe8373dfbb1f2475a657933f SHA512 2613c229cd61808aa2edd54f597d6f0ecfd1c95b2f87999adf8d64f47bb1e7c7428a8cb4640999138c889299c6836b1437565b90d33d396c0490edc0ba26ca42
+DIST ruby_parser-3.22.0.gem 827392 BLAKE2B 26205b256cffe85b6ca3d8cbe355a7891a2d4076137189333e356600f001cca170e9360a43f4f9b0881b923e9ddba355cffd8ddca808f6d149014246c9c80606 SHA512 62b3791143ed8d315bd4d80d9fb814e32ae4b0942b8f516f1fd006311e81a24f63a7aba03338cc138fbee42d36e9499625edc85a57cd89b28c12b15cda5b1d62
diff --git a/dev-ruby/ruby_parser/ruby_parser-3.22.0.ebuild b/dev-ruby/ruby_parser/ruby_parser-3.22.0.ebuild
new file mode 100644
index 000000000000..d9ceba859c85
--- /dev/null
+++ b/dev-ruby/ruby_parser/ruby_parser-3.22.0.ebuild
@@ -0,0 +1,33 @@
+# 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="README.rdoc History.rdoc"
+
+inherit ruby-fakegem
+
+DESCRIPTION="A ruby parser written in pure ruby"
+HOMEPAGE="https://github.com/seattlerb/ruby_parser"
+
+LICENSE="MIT"
+SLOT="3"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ppc ~ppc64 ~sparc ~x86 ~x64-macos ~x64-solaris"
+IUSE="test"
+
+ruby_add_rdepend ">=dev-ruby/racc-1.5:0 >=dev-ruby/sexp_processor-4.16.0:4"
+
+ruby_add_bdepend "test? ( >=dev-ruby/minitest-4.3 >=dev-ruby/sexp_processor-4.17.0:4 )"
+
+DEPEND+=" test? ( dev-util/unifdef )"
+
+all_ruby_prepare() {
+	sed -i -e '/license/d' Rakefile || die
+	sed -i -e '/Hoe.plugin :isolate/ s:^:#:' Rakefile || die
+}
+
+each_ruby_test() {
+	${RUBY} -Ilib:. -e 'Dir["test/test_*.rb"].each{|f| require f}' || die
+}