diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 1ae3f7b..864eb6c 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -11,19 +11,22 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
+      - id: auth
+        name: Authenticate to Google Cloud
+        uses: google-github-actions/auth@v2
+        with:
+          workload_identity_provider: ${{ secrets.WORKLOAD_IDENTITY_PROVIDER }}
+          service_account: ${{ secrets.ACTIONS_SERVICE_ACCOUNT }}
       - name: Set Tag and SHA
         run: |
-          CLEAN_TAG=$(echo "${{ github.event.pull_request.head.ref  }}"  | tr / -)
+          CLEAN_TAG=$(echo "${{ github.event.pull_request.head.ref }}" | tr / -)
           echo "TAG=$CLEAN_TAG" >> $GITHUB_ENV
           echo "SHA=${{ github.event.pull_request.head.sha }}" >> $GITHUB_ENV
       - name: Build
         run: >
-          docker build -t ${{ secrets.GAR_LOCATION }}/${{ secrets.GAR_PROJECT_ID }}/docker-images/eq-runner-maintenance-page:$TAG .
+          docker build -t ${{ secrets.GAR_LOCATION }}/${{ secrets.GAR_PROJECT_ID }}/test/eq-runner-maintenance-page:$TAG .
       - name: Push to GAR
-        env:
-          GAR_SERVICE_KEY: ${{ secrets.GAR_SERVICE_KEY }}
         run: |
-          echo $GAR_SERVICE_KEY | docker login -u _json_key --password-stdin https://${{ secrets.GAR_LOCATION }}
           gcloud auth configure-docker ${{ secrets.GAR_LOCATION }}
           echo "Pushing to GAR with tag $TAG"
-          docker push ${{ secrets.GAR_LOCATION }}/${{ secrets.GAR_PROJECT_ID }}/docker-images/eq-runner-maintenance-page:$TAG
+          docker push ${{ secrets.GAR_LOCATION }}/${{ secrets.GAR_PROJECT_ID }}/test/eq-runner-maintenance-page:$TAG
\ No newline at end of file