diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 2be0bb7..3c605b8 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -73,6 +73,7 @@ jobs:
         with:
           repository: stackhpc/s3-active-storage-compliance-suite
           path: compliance
+          ref: public-buckets
 
       - name: Setup python
         uses: actions/setup-python@v4