diff --git a/terraform/ecs.tf b/terraform/ecs.tf
index 46fc8eca..6c64f739 100644
--- a/terraform/ecs.tf
+++ b/terraform/ecs.tf
@@ -286,7 +286,7 @@ resource "aws_ecs_service" "client" {
 
 
   network_configuration {
-    security_groups  = [aws_security_group.wfprev_ecs_tasks.id, data.aws_security_group.app.id]
+    security_groups  = [data.aws_security_group.app.id]
     subnets          = module.network.aws_subnet_ids.app.ids
     assign_public_ip = true
   }