diff --git a/.github/chainguard/edu.sts.yaml b/.github/chainguard/edu.sts.yaml
index 6edbfb9fdb..c9ad2967c2 100644
--- a/.github/chainguard/edu.sts.yaml
+++ b/.github/chainguard/edu.sts.yaml
@@ -1,7 +1,7 @@
 issuer: https://token.actions.githubusercontent.com
-subject: repo:chainguard-dev/edu:ref:refs/heads/platform-docs
+subject: repo:chainguard-dev/edu:ref:refs/heads/main
 claim_pattern:
-  job_workflow_ref: chainguard-dev/edu/.github/workflows/autodocs-platform.yaml@refs/heads/platform-docs
+  job_workflow_ref: chainguard-dev/edu/.github/workflows/autodocs-platform.yaml@refs/heads/main
 
 permissions:
   contents: write