diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 09e3782..b6c97ad 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -59,6 +59,7 @@ jobs:
     - uses: actions/checkout@v2
     - name: Build the HTML docs
       run: |
+        pip install setuptools
         pip install tox
         sudo apt-get install pandoc
         tox -e docs