diff --git a/.github/workflows/python-package-pip.yml b/.github/workflows/python-package-pip.yml
index 14f46d3..4a3624f 100644
--- a/.github/workflows/python-package-pip.yml
+++ b/.github/workflows/python-package-pip.yml
@@ -25,10 +25,12 @@ jobs:
         run: |
           python -m pip install . "zarr${{ matrix.zarr-version }}"
           python -m pip install pytest
+          python -m pip install pytest-coverage
 
       - name: Run tests
         env:
           AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
           AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
         run: |
-          python -m pytest tests/
+          python -m pytest tests/ --cov --cov-fail-under=100
+