diff --git a/.github/workflows/cf_backends.yml b/.github/workflows/cf_backends.yml
index 6b30c32..3e7038e 100644
--- a/.github/workflows/cf_backends.yml
+++ b/.github/workflows/cf_backends.yml
@@ -31,7 +31,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install "torch${{ matrix.torch-version }}"
-          python -m pip install .[pytorch-dev]
+          python -m pip install .[pytorch-dev]  --no-cache-dir --extra-index-url https://pypi.nvidia.com
       - name: Build
         run: |
           python setup.py develop