diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 34bd287..1d994f3 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -28,7 +28,7 @@ jobs:
       run: |
         cd ${{ matrix.directory }}
         python -m pip install --upgrade pip
-        poetry install
+        poetry install --with test
 
     - name: Run pytest
       run: |