diff --git a/.github/workflows/doc_pages.yaml b/.github/workflows/doc_pages.yaml
index 4492087..b258784 100644
--- a/.github/workflows/doc_pages.yaml
+++ b/.github/workflows/doc_pages.yaml
@@ -22,7 +22,7 @@ jobs:
       uses: snok/install-poetry@v1.3
 
     - name: install
-      run: poetry install -E docs
+      run: poetry install --only main,docs
 
     - name: Build documentation.
       run: |