diff --git a/Formula/portable-ruby.rb b/Formula/portable-ruby.rb
index f0416fe7..53736681 100644
--- a/Formula/portable-ruby.rb
+++ b/Formula/portable-ruby.rb
@@ -3,11 +3,10 @@
 class PortableRuby < PortableFormula
   desc "Powerful, clean, object-oriented scripting language"
   homepage "https://www.ruby-lang.org/"
-  # This is the version shipped in macOS 12.
-  url "https://cache.ruby-lang.org/pub/ruby/2.6/ruby-2.6.8.tar.xz"
-  sha256 "8262e4663169c85787fdc9bfbd04d9eb86eb2a4b56d7f98373a8fcaa18e593eb"
+  # This is the version shipped in macOS 11.7.1/12.6.1/13.
+  url "https://cache.ruby-lang.org/pub/ruby/2.6/ruby-2.6.10.tar.xz"
+  sha256 "5fd8ded51321b88fdc9c1b4b0eb1b951d2eddbc293865da0151612c2e814c1f2"
   license "Ruby"
-  revision 1
 
   depends_on "pkg-config" => :build
   depends_on "portable-libyaml" => :build