diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 40933b5..50a66f5 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -40,3 +40,5 @@ jobs:
             certpl/${{ github.event.repository.name }}:${{ github.event.release.tag_name }}
             certpl/${{ github.event.repository.name }}:latest
           push: true
+          # Flux v1 doesn't support OCI-compliant manifests
+          provenance: false