diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3052133..e6c0aec 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -56,7 +56,8 @@ jobs:
 
     - name: install SlipCover and pytest
       run: |
-        python3 -m pip install --upgrade pip  # to avoid warnings
+        python3 -m pip install -U pip  # to avoid warnings
+        python3 -m pip install -U setuptools
         python3 -m pip install .
         python3 -m pip install pytest