diff --git a/.github/workflows/cd-workflow.yaml b/.github/workflows/cd-workflow.yaml
index 449c974..f35d60b 100644
--- a/.github/workflows/cd-workflow.yaml
+++ b/.github/workflows/cd-workflow.yaml
@@ -86,6 +86,14 @@ jobs:
       - name: Checkout Repository
         uses: actions/checkout@v4
 
+      - name: Authenticate to Google Cloud
+        id: auth
+        uses: google-github-actions/auth@v2
+        with:
+          create_credentials_file: true
+          workload_identity_provider: ${{ secrets.GCP_WORKLOAD_IDENTITY_PROVIDER }}
+          service_account: ${{ secrets.GCP_DEPLOY_SA }}
+
       - name: Deploy to Cloud Run
         id: deploy
         uses: google-github-actions/deploy-cloudrun@v2