diff --git a/.github/workflows/instance-deploy-prod.yml b/.github/workflows/instance-deploy-prod.yml
index e0c7c26..d2759e0 100644
--- a/.github/workflows/instance-deploy-prod.yml
+++ b/.github/workflows/instance-deploy-prod.yml
@@ -44,6 +44,10 @@ jobs:
         uses: hashicorp/setup-terraform@v2
         with:
           terraform_wrapper: false
+      - name: Login via Azure CLI
+        uses: azure/login@v1
+        with:
+          creds: ${{ secrets.AZURE_CREDENTIALS }}
       - name: Terraform Format
         id: fmt
         run: terraform -chdir=instance fmt