diff --git a/ruff.rb b/ruff.rb
new file mode 100644
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--- /dev/null
+++ b/ruff.rb
@@ -0,0 +1,27 @@
+class Ruff < Formula
+  desc "An extremely fast Python linter, written in Rust."
+  homepage "https://github.com/charliermarsh/ruff"
+  url "https://github.com/charliermarsh/ruff/archive/refs/tags/v0.0.137.tar.gz"
+  sha256 "d5521f2ad9ee87ca8018bd23ea731fc05abd0fa4a01878880a8cc5119596f837"
+  license "MIT"
+  head "https://github.com/charliermarsh/ruff.git", branch: "main"
+
+  # STOPSHIP(charlie): Requires Rust 1.65.0.
+  # See: https://github.com/Homebrew/homebrew-core/pull/116480
+  depends_on "rust" => :build
+
+  def install
+    system "cargo", "install", "--no-default-features", *std_cargo_args
+    bin.install "target/release/ruff" => "ruff"
+  end
+
+  test do
+    (testpath/"test.py").write <<~EOS
+      import os
+    EOS
+    expected = <<~EOS
+      test.py:1:1: F401 `os` imported but unused
+    EOS
+    assert_equal expected, shell_output("#{bin}/ruff -- --quiet #{testpath}/test.py")
+  end
+end