diff --git a/docs/terraform/app_deploy/app.tf b/docs/terraform/app_deploy/app.tf
index e9d884f..832890f 100644
--- a/docs/terraform/app_deploy/app.tf
+++ b/docs/terraform/app_deploy/app.tf
@@ -59,7 +59,7 @@ resource "google_secret_manager_secret" "settings_toml" {
   project = var.project_id
   secret_id = "settings-toml"
   replication {
-    automatic = true
+    auto {}
   }
 }