diff --git a/.github/workflows/test_cache_purge.yaml b/.github/workflows/test_cache_purge.yaml
index b0af203..2dc0706 100644
--- a/.github/workflows/test_cache_purge.yaml
+++ b/.github/workflows/test_cache_purge.yaml
@@ -12,4 +12,4 @@ jobs:
       fdname: 'frontend-preview-zooniverse-org'
       path: '/assets/star.jpg'
     secrets:
-      creds: ${{ secrets.AZURE_AKS }}
+      creds: ${{ secrets.AZURE_STATIC_SITES }}