diff --git a/.github/workflows/sunnypilot-build-prebuilt.yaml b/.github/workflows/sunnypilot-build-prebuilt.yaml
index 78305f3fb..29e03a843 100644
--- a/.github/workflows/sunnypilot-build-prebuilt.yaml
+++ b/.github/workflows/sunnypilot-build-prebuilt.yaml
@@ -594,8 +594,14 @@ jobs:
       - name: Publish chestnut branch
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          HF_TOKEN: ${{ secrets.HF_TOKEN }}
         run: |
           CHESTNUT_BRANCH="${{ needs.prepare_strategy.outputs.new_branch }}-chestnut"
+          cp .lfsconfig "${{ env.OUTPUT_DIR }}/"
+          echo 'openpilot/selfdrive/modeld/models/big_*_tinygrad.pkl filter=lfs diff=lfs merge=lfs -text' > "${{ env.OUTPUT_DIR }}/.gitattributes"
+          git lfs install
+          git config --global credential.helper store
+          echo "https://user:${HF_TOKEN}@huggingface.co" > ~/.git-credentials
 
           ${{ env.CI_DIR }}/publish.sh \
             "${{ github.workspace }}" \