diff --git a/.github/workflows/macos-12.yml b/.github/workflows/macos-12.yml
new file mode 100644
index 0000000000000..75aadd3bbec73
--- /dev/null
+++ b/.github/workflows/macos-12.yml
@@ -0,0 +1,76 @@
+name: "Test macOS 12 (x86_64)"
+
+on:
+  pull_request
+
+env:
+  PACKAGE_NAME: ruff
+  MODULE_NAME: ruff
+  PYTHON_VERSION: "3.11"
+  CARGO_INCREMENTAL: 0
+  CARGO_NET_RETRY: 10
+  CARGO_TERM_COLOR: always
+  RUSTUP_MAX_RETRIES: 10
+
+jobs:
+  macos-x86_64:
+    runs-on: macos-13
+    env:
+      MACOSX_DEPLOYMENT_TARGET: 12.0
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+          architecture: x64
+      - name: "Prep README.md"
+        run: python scripts/transform_readme.py --target pypi
+      - name: "Build wheels - x86_64"
+        uses: PyO3/maturin-action@v1
+        with:
+          target: x86_64
+          args: --release --locked --out dist
+      - name: "Upload wheels"
+        uses: actions/upload-artifact@v4
+        with:
+          name: wheels-macos-x86_64
+          path: dist
+      - name: "Archive binary"
+        run: |
+          TARGET=x86_64-apple-darwin
+          ARCHIVE_NAME=ruff-$TARGET
+          ARCHIVE_FILE=$ARCHIVE_NAME.tar.gz
+
+          mkdir -p $ARCHIVE_NAME
+          cp target/$TARGET/release/ruff $ARCHIVE_NAME/ruff
+          tar czvf $ARCHIVE_FILE $ARCHIVE_NAME
+          shasum -a 256 $ARCHIVE_FILE > $ARCHIVE_FILE.sha256
+      - name: "Upload binary"
+        uses: actions/upload-artifact@v4
+        with:
+          name: artifacts-macos-x86_64
+          path: |
+            *.tar.gz
+            *.sha256
+
+  test:
+    needs: macos-x86_64
+    runs-on: macos-12
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+          architecture: x64
+      - name: "Download binaries"
+        uses: actions/download-artifact@v4
+        with:
+          name: artifacts-macos-x86_64
+      - name: "Extract"
+        run: tar xzvf ruff-x86_64-apple-darwin.tar.gz
+      - name: "Run Ruff"
+        run: ./ruff --help