diff --git a/.github/workflows/builder.yaml b/.github/workflows/builder.yaml
index f3e8f114a..327140d8a 100644
--- a/.github/workflows/builder.yaml
+++ b/.github/workflows/builder.yaml
@@ -74,6 +74,8 @@ jobs:
       - name: Build ${{ matrix.addon }} add-on
         if: steps.check.outputs.build_arch == 'true'
         uses: home-assistant/builder@2022.03.1
+        env:
+          CAS_API_KEY: ${{ secrets.CAS_API_KEY }}
         with:
           args: |
             ${{ env.BUILD_ARGS }} \