diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0294fd2dd71..eda4599cd1b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -47,7 +47,7 @@ jobs:
       - name: Test
         run: |
           ../sage -python -m pip install coverage pytest-xdist
-          ../sage -python -m coverage run -m pytest -c tox.ini -n auto --doctest-modules
+          ../sage -python -m coverage run -m pytest -c tox.ini --doctest-modules
         working-directory: ./src
 
       - name: Prepare coverage results