diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1ecccd6..3a16d0b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -41,6 +41,10 @@ jobs:
       #     pip install numpy  # temporarily dependency fix
       #     pip install -e .
       #     python setup.py build_ext --inplace --define CYTHON_TRACE
+      - name: Install packages
+        run: |
+          python -m pip install --upgrade pip
+          pip install pytest-cov
       - name: Unit tests
         run: |
           mkdir -p test_data