diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index de26f14ed..fe3aefda1 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -47,7 +47,7 @@ jobs:
     - name: Check imports alphabetized
       run: pipenv run isort --check-only ./app ./tests
     - name: Run tests with coverage
-      run: pipenv run coverage run --omit=*/notifications_utils/* -m pytest -n4 --maxfail=10
+      run: pipenv run coverage run --omit=*/notifications_utils/* -m pytest --maxfail=10
       env:
         SQLALCHEMY_DATABASE_TEST_URI: postgresql://user:password@localhost:5432/test_notification_api
     - name: Check coverage threshold