diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 6e6da13..e6081a2 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -74,6 +74,7 @@ jobs:
         shell: bash -l {0}
         run: |
           python -m pip install --upgrade pip
+          python -m pip install pytest
           python -m pip install .
 
       # Perform the unit test and outputs a coverage report