diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 5caf5c9..f9597f4 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -46,12 +46,12 @@ jobs:
 
       - name: Install dependencies
         if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
-        run: poetry install --only=dev --no-interaction --no-root
+        run: poetry install --with dev --no-interaction --no-root
       #----------------------------------------------
       # install your root project, if required
       #----------------------------------------------
       - name: Install library
-        run: poetry install --only=dev  --no-interaction
+        run: poetry install --with dev --no-interaction
       #----------------------------------------------
       #              run test suite
       #----------------------------------------------