diff --git a/.github/workflows/multi-arch.yaml b/.github/workflows/multi-arch.yaml
index b373b7c..852fcff 100644
--- a/.github/workflows/multi-arch.yaml
+++ b/.github/workflows/multi-arch.yaml
@@ -9,7 +9,7 @@ env:
   REGISTRY: ghcr.io
   OWNER: ${{ github.repository_owner }}
   BUILDKIT_PROGRESS: plain
-  BUILDX_NO_DEFAULT_ATTESTATIONS: true
+  BUILDX_NO_DEFAULT_ATTESTATIONS: 1
 
 jobs:
   build-and-push-image: