diff --git a/terraform/main.tf b/terraform/main.tf
index 3d4606d..92d39a7 100644
--- a/terraform/main.tf
+++ b/terraform/main.tf
@@ -20,6 +20,7 @@ module "manager" {
   name        = "maestro"
   domain_name = "tf-maestro"
   memory      = 1024
+  mac         = "CA:FE:C0:FF:EE:08"
 }
 
 module "workers" {