diff --git a/charts/attest-provider/values.yaml b/charts/attest-provider/values.yaml
index 6011552..1ea3672 100644
--- a/charts/attest-provider/values.yaml
+++ b/charts/attest-provider/values.yaml
@@ -13,7 +13,7 @@ replicas: 1
 tufMetadataSource: https://docker.github.io/tuf-staging/metadata
 tufTargetsSource: https://docker.github.io/tuf-staging/targets
 
-attestationStyle: attached
+attestationStyle: referrers
 
 provider:
   timeout: 30