diff --git a/.github/workflows/mkdocs-material.yml b/.github/workflows/mkdocs-material.yml
index df4fa0a01e..bddccd4f1b 100644
--- a/.github/workflows/mkdocs-material.yml
+++ b/.github/workflows/mkdocs-material.yml
@@ -27,6 +27,8 @@ jobs:
           cache-dependency-path: pyproject.toml
 
       - name: install requirements
+        env:
+          PIP_USE_PEP517: 1
         run: |
           python -m \
             pip install ".[docs]"