diff --git a/main.tf b/main.tf
index 961bf19..5bfdde8 100644
--- a/main.tf
+++ b/main.tf
@@ -36,7 +36,7 @@ module "service" {
 
 module "taskdef" {
   source  = "mergermarket/task-definition-with-task-role/acuris"
-  version = "2.1.0"
+  version = "2.2.0"
 
   family                = local.full_service_name
   container_definitions = [module.service_container_definition.rendered]
@@ -47,6 +47,7 @@ module "taskdef" {
   release               = var.release
   network_mode          = var.network_mode
   is_test               = var.is_test
+  placement_constraint_on_demand_only = var.placement_constraint_on_demand_only
 }
 
 module "service_container_definition" {
diff --git a/variables.tf b/variables.tf
index 24d60aa..91ae476 100644
--- a/variables.tf
+++ b/variables.tf
@@ -246,3 +246,10 @@ variable "scaling_metrics" {
   type        = list(any)
   default     = []
 }
+
+variable "placement_constraint_on_demand_only" {
+  description = "Add placement constraint to only run on on-demand instances"
+  type        = bool
+  default     = false
+}
+