diff --git a/dev-ruby/autoprefixer-rails/Manifest b/dev-ruby/autoprefixer-rails/Manifest
index dc4ee123a7bd1..b2640f7c64b6a 100644
--- a/dev-ruby/autoprefixer-rails/Manifest
+++ b/dev-ruby/autoprefixer-rails/Manifest
@@ -3,3 +3,4 @@ DIST autoprefixer-rails-8.6.5.gem 208896 BLAKE2B 50e8b8ef3fec9a0bb8d68afa8950989
 DIST autoprefixer-rails-9.5.1.1.gem 217600 BLAKE2B 188f5a23296d107e068339c0299913f4a9df641d97caedd6f140c39dfa2eab3e7cf76ac4b4ed1c46c0cd424fac1872515e54b7fe8c62285286a6aad292005657 SHA512 d1fe0da0390ac635081327b51350636b58108bd4689f6ed37a03fbdfd8620a7916bbff6818532e58c82d32912935818c476823b6d1839f068c2c171fc405e6c7
 DIST autoprefixer-rails-9.6.1.1.gem 221184 BLAKE2B 62ab4a4666f7996ed5434b472f8bd6ab9273a3de58482be2cdb7ea33e3aa0285e2ae143a01112ccccf9f9b3fc9fa5c0e8f2739643ab0a7737eba206280262045 SHA512 c488e5f932d300cd3b2e029bf2a91390753b8bfb6f8162ec10d63ca899d2152cc5b83eecf60f527016294f10923813232627dcd6da78ad7840d2d425af2a6d67
 DIST autoprefixer-rails-9.6.1.gem 220672 BLAKE2B ac9d3ef36fd438f28029c708e8a3c9df4c4cdb75de39cd73ee5e9e527f099c99691b3f76eac95c821a36d4c86aaf43f6becfa8ede893b6a8b2d8da6acc10737f SHA512 c553ed602d780aff62904f73c99bc56b9d7052de1daa3ee7e28cae59ced1e9111786e63bf2a829409f4be77ac8c4639ab38c73df84f3cd0a047535d9134419fd
+DIST autoprefixer-rails-9.6.4.gem 221184 BLAKE2B d9b004cd643484e86ebf7b925e6eb3d0d825c885edd494f29f190f03ef3535374dd677f4401b673e4e6b8f2654518dd8656ed594d823aefc536cebb0fd0763d6 SHA512 24aa6934d0f6ff2f9f34bdfa4a8a31bc5e52a2ce2653ac5c1e8d78ac633c3647bd6d95a5ed83dd1c38889e4c094abce900d65ebf6ea791b12594f0f5a26c2091
diff --git a/dev-ruby/autoprefixer-rails/autoprefixer-rails-9.6.4.ebuild b/dev-ruby/autoprefixer-rails/autoprefixer-rails-9.6.4.ebuild
new file mode 100644
index 0000000000000..8c312ceb78ee8
--- /dev/null
+++ b/dev-ruby/autoprefixer-rails/autoprefixer-rails-9.6.4.ebuild
@@ -0,0 +1,37 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+USE_RUBY="ruby24 ruby25 ruby26"
+
+RUBY_FAKEGEM_RECIPE_TEST="rspec3"
+RUBY_FAKEGEM_EXTRADOC="README.md"
+
+RUBY_FAKEGEM_EXTRAINSTALL="vendor"
+
+inherit ruby-fakegem
+
+DESCRIPTION="Add vendor prefixes to CSS rules using values from the Can I Use website"
+HOMEPAGE="https://github.com/ai/autoprefixer-rails"
+LICENSE="MIT"
+
+KEYWORDS="~amd64"
+SLOT="$(ver_cut 1)"
+IUSE=""
+
+ruby_add_rdepend "dev-ruby/execjs:*"
+
+ruby_add_bdepend "test? (
+	>=dev-ruby/rails-5.0.0
+	dev-ruby/rake
+	dev-ruby/rspec-rails
+)"
+
+all_ruby_prepare() {
+	sed -i -e "/bundler/d" -e "/BUNDLE/d" spec/app/config/boot.rb || die
+	sed -i -e "/Bundler/,+3d" \
+		-e '/config.sass/ s:^:#:' spec/app/config/application.rb || die
+	sed -i -e '/standard/ s:^:#:' autoprefixer-rails.gemspec || die
+	rm -f spec/rails_spec.rb || die
+}