diff --git a/main.tf b/main.tf
index 7a90489..770f243 100644
--- a/main.tf
+++ b/main.tf
@@ -19,6 +19,8 @@ resource "aws_ecs_service" "main" {
   cluster         = "${var.ecs_cluster_id}"
   task_definition = "${aws_ecs_task_definition.main.arn}"
 
+  deployment_minimum_healthy_percent = "${var.deployment_minimum_healthy_percent}"
+
   health_check_grace_period_seconds = 30
 
   load_balancer {
@@ -39,6 +41,8 @@ resource "aws_ecs_service" "main_awsvpc" {
   cluster         = "${var.ecs_cluster_id}"
   task_definition = "${aws_ecs_task_definition.main.arn}"
 
+  deployment_minimum_healthy_percent = "${var.deployment_minimum_healthy_percent}"
+
   health_check_grace_period_seconds = 30
 
   load_balancer {
diff --git a/variables.tf b/variables.tf
index 26a7427..9dedeb0 100644
--- a/variables.tf
+++ b/variables.tf
@@ -85,3 +85,9 @@ variable "container_port" {
   type        = "string"
   default     = ""
 }
+
+variable "deployment_minimum_healthy_percent" {
+  description = "The lower limit (as a percentage of the service's desiredCount) of the number of running tasks that must remain running and healthy in a service during a deployment."
+  type        = "string"
+  default     = "50"
+}