diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index bac50e0..facd724 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -16,10 +16,10 @@ jobs:
     - uses: 'actions/checkout@v4'
       with:
         fetch-depth: 0
-    - uses: 'google-github-actions/auth@v1'
+    - id: 'auth'
+      uses: 'google-github-actions/auth@v1'
       with:
-        workload_identity_provider: 'projects/988671454678/locations/global/workloadIdentityPools/github-actions-auth-pool/providers/github-actions-provider'
-        service_account: 'skelsec-bucket-foss-writer@octopwn-ea2a4.iam.gserviceaccount.com'
+        credentials_json: '${{ secrets.GCLOUD_BUCKET_SERVICE_USER_SECRET }}'
 
     - name: Set up Python
       uses: actions/setup-python@v2