diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 9b53c8ab..6d083b0d 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -27,6 +27,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -e .[tests]
+        pip install dask
     - name: Generate coverage report
       run: |
         NUMBA_DISABLE_JIT=1 pytest --cov=./ --cov-report=xml --ignore ./xrspatial/tests/test_polygonize.py