diff --git a/terraform/environments/delius-jitbit/sandbox_ecs.tf b/terraform/environments/delius-jitbit/sandbox_ecs.tf
index af5f70fea69..8f62cc6a5d6 100644
--- a/terraform/environments/delius-jitbit/sandbox_ecs.tf
+++ b/terraform/environments/delius-jitbit/sandbox_ecs.tf
@@ -1,7 +1,7 @@
 module "ecs_sandbox" {
   count = local.is-development ? 1 : 0
 
-  source = "github.com/ministryofjustice/modernisation-platform-terraform-ecs-cluster//cluster?ref=v2.0.1"
+  source = "github.com/ministryofjustice/modernisation-platform-terraform-ecs-cluster//cluster?ref=v4.3.0"
 
   environment = local.environment
   name        = "${local.application_name}-sandbox"