diff --git a/.github/workflows/setup-kosli.yml b/.github/workflows/setup-kosli.yml
index fc6eadb..06798fa 100644
--- a/.github/workflows/setup-kosli.yml
+++ b/.github/workflows/setup-kosli.yml
@@ -38,6 +38,6 @@ jobs:
         run:
           kosli create attestation-type approval-github-workflow
             --description "Approval from GitHub workflow"
-            --schema custom-attestation-types/approval-github-workflow.yml
+            --schema custom-attestation-types/approval-github-workflow.json
             --jq '.state == "approved"'
             --jq '.user.login != ""'
diff --git a/custom-attestation-types/approval-github-workflow.yml b/custom-attestation-types/approval-github-workflow.json
similarity index 100%
rename from custom-attestation-types/approval-github-workflow.yml
rename to custom-attestation-types/approval-github-workflow.json