diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 81e9baf..0d84e9c 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -19,5 +19,4 @@ jobs:
         pip install -e .
     - name: Test with pytest
       run: |
-        pip install pytest
-        pytest tests/
+        pytest --cov=navitia_client --cov-report=term --cov-fail-under=80
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 2c430a2..0279c75 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,4 +1,5 @@
 mypy<1
 pre-commit<4
 pytest<9
+pytest-cov<6
 ruff<1