diff --git a/.github/workflows/policy-tester-examples.yml b/.github/workflows/policy-tester-examples.yml
index 049125eaf..850f250a8 100644
--- a/.github/workflows/policy-tester-examples.yml
+++ b/.github/workflows/policy-tester-examples.yml
@@ -78,6 +78,7 @@ jobs:
 
         # Verify the attestation
         cosign verify-attestation \
+          --type spdxjson \
           --key keys/cosign.pub \
           "${REF}"