diff --git a/.github/workflows/bleeding-edge.yaml b/.github/workflows/bleeding-edge.yaml
index af6aebf..cc3ab98 100644
--- a/.github/workflows/bleeding-edge.yaml
+++ b/.github/workflows/bleeding-edge.yaml
@@ -40,7 +40,7 @@ jobs:
     - name: Configure uv
       run: |
         echo "UV_PRERELEASE=allow" >> $GITHUB_ENV
-        echo "UV_EXTRA_INDEX_URL=https://pypi.anaconda.org/scientific-python-nightly-wheels/simple" >> $GITHUB_ENV
+        echo "UV_INDEX=https://pypi.anaconda.org/scientific-python-nightly-wheels/simple" >> $GITHUB_ENV
         echo "UV_INDEX_STRATEGY=unsafe-best-match" >> $GITHUB_ENV
 
     - name: Run test suite