diff --git a/infra/deploy/cert/main.tf b/infra/deploy/cert/main.tf
index be985c5d..7cb74a7e 100644
--- a/infra/deploy/cert/main.tf
+++ b/infra/deploy/cert/main.tf
@@ -7,7 +7,7 @@ terraform {
   }
 
   backend "azurerm" {
-    use_azuread_auth = true
+    use_msi = true
   }
 }