diff --git a/.github/workflows/python-PyCTBN-package.yml b/.github/workflows/python-PyCTBN-package.yml
index 16e9be7..75105f0 100644
--- a/.github/workflows/python-PyCTBN-package.yml
+++ b/.github/workflows/python-PyCTBN-package.yml
@@ -36,4 +36,4 @@ jobs:
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Test with pytest
       run: |
-        python -m unittest
+        pytest -n 1 PyCTBN/tests