diff --git a/.github/workflows/sunnypilot-master-dev-c3-prep.yaml b/.github/workflows/sunnypilot-master-dev-c3-prep.yaml
index 2f3cbd68c1..54b80f3627 100644
--- a/.github/workflows/sunnypilot-master-dev-c3-prep.yaml
+++ b/.github/workflows/sunnypilot-master-dev-c3-prep.yaml
@@ -4,6 +4,8 @@ env:
   DEFAULT_SOURCE_BRANCH: "master-new"
   DEFAULT_TARGET_BRANCH: "nightly"
   PR_LABEL: "dev-c3"
+  LFS_URL: 'https://gitlab.com/sunnypilot/public/sunnypilot-new-lfs.git/info/lfs'
+  LFS_PUSH_URL: 'ssh://git@gitlab.com/sunnypilot/public/sunnypilot-new-lfs.git'
 
 on:
   workflow_dispatch:
@@ -34,6 +36,15 @@ jobs:
         run: |
           git config --global user.name 'github-actions[bot]'
           git config --global user.email 'github-actions[bot]@users.noreply.github.com'
+          
+      - name: Set up SSH
+        uses: webfactory/ssh-agent@v0.9.0
+        with:
+          ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
+
+      - name: Add GitLab public keys
+        run: |
+          ssh-keyscan -H gitlab.com >> ~/.ssh/known_hosts
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -113,6 +124,13 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Update LFS Config
+        run: |
+          echo '[lfs]' > .lfsconfig
+          echo '    url = ${{ env.LFS_URL }}' >> .lfsconfig
+          echo '    pushurl = ${{ env.LFS_PUSH_URL }}' >> .lfsconfig
+          echo '    locksverify = false' >> .lfsconfig
+
       - name: Push changes if there are diffs
         id: push-changes  # Add an id so we can reference this step
         run: |