diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 7dbaf8621..21f070625 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -22,7 +22,7 @@ jobs:
       run: poetry run pytest tests/
     - name: Make docs
       if: github.ref == 'refs/heads/master'
-      run: make docs
+      run: poetry run make docs
     - name: Deploy to GH Pages
       if: github.ref == 'refs/heads/master'
       uses: peaceiris/actions-gh-pages@v3