diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 250f39d66..9787223fc 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -5,20 +5,21 @@ on:
 jobs:
   test:
     name: Run all tests
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
       - uses: actions/checkout@v2
-      - name: install dependencies
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ github.event.pull_request.base.ref == 'py3' && '3.x' || '2.7' }}
+      - name: Install dependencies
         run: |
-          sudo apt-get remove -y python3-libxml2
-          sudo apt-get install -y libxml2-dev python-dev python-libxml2
-          curl https://bootstrap.pypa.io/pip/2.7/get-pip.py --output get-pip.py
-          python get-pip.py
-          pip --version
-          python -m pip install --upgrade --no-deps --force-reinstall lxml
           python -m pip install \
-            future \
-            pep8 \
             pyserial \
             tox
+      - run: rm chirp/drivers/generic_xml.py
       - run: tox