diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index a1220240a..8a3519c1f 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -26,12 +26,13 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           python -m pip install -r requirements.txt
-          python -m pip install coveragepy==1.6.0
+          python -m pip install coverage==7.6.7
 
       - name: Run unit tests
         run: |
           cd unit-tests
-          coverage run --omit=test_*.py,unit_tests.py --source=$(cd .. ; pwd),$(cd ../util ; pwd) -m unittest unit_tests
+          export PYTHONPATH=$(cd ../util ; pwd):$PYTHONPATH
+          coverage run --omit=test_*.py,unit_tests.py -m unittest unit_tests
 
       - name: Report code coverage
         run: |