diff --git a/.github/workflows/deploy-backend.yml b/.github/workflows/deploy-backend.yml
index 02952b1..7fcd892 100644
--- a/.github/workflows/deploy-backend.yml
+++ b/.github/workflows/deploy-backend.yml
@@ -13,6 +13,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          ssh-key: ${{ secrets.DEPLOYMENT_KEY }}
       - id: get_beta_image
         if: ${{ inputs.backend_image == '' }}
         uses: mikefarah/yq@v4