diff --git a/.github/workflows/backend.yml b/.github/workflows/backend.yml
index 771428f74..1da60f9c5 100644
--- a/.github/workflows/backend.yml
+++ b/.github/workflows/backend.yml
@@ -87,7 +87,7 @@ jobs:
         working-directory: skore/
         run: |
           mkdir coverage
-          python -m pytest -n auto src/ tests/ --junitxml=coverage/coverage.xml --cov | tee coverage/coverage.txt
+          python -m pytest -n auto src/ tests/ --junitxml=coverage/coverage.xml --cov-config=pyproject.toml --cov | tee coverage/coverage.txt
 
       - name: Upload coverage reports
         if: ${{ matrix.coverage && (github.event_name == 'pull_request') }}