diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 4cb0c976..a37873f7 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -11,6 +11,10 @@ jobs:
     name: Build
     runs-on: ubuntu-20.04
     steps:
+      - name: Debug docker manifest
+        run: |
+          docker manifest
+
       - name: Set up Go
         uses: actions/setup-go@v2.1.5
         with: