diff --git a/.github/workflows/runtests.yml b/.github/workflows/runtests.yml
index ea61359..8cd865e 100644
--- a/.github/workflows/runtests.yml
+++ b/.github/workflows/runtests.yml
@@ -20,7 +20,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
-          pip install pycodestyle pyflakes pylint dlint pyupgrade
+          pip install pycodestyle pyflakes pylint dlint pyupgrade setuptools
       - name: Run tests
         env:
           RUN_ONLINETESTS: 1