diff --git a/main.tf b/main.tf
index ea9b482..1a8ffcc 100644
--- a/main.tf
+++ b/main.tf
@@ -135,6 +135,10 @@ resource "aws_ecs_task_definition" "ecs_task_definition" {
   ipc_mode              = var.ipc_mode
   network_mode          = var.network_mode
   pid_mode              = var.pid_mode
+  runtime_platform {
+    operating_system_family = var.runtime_platform.operating_system_family
+    cpu_architecture        = var.runtime_platform.cpu_architecture
+  }
 
   # Fargate requires cpu and memory to be defined at the task level
   cpu    = var.cpu
diff --git a/variables.tf b/variables.tf
index b34b1f2..14c125e 100644
--- a/variables.tf
+++ b/variables.tf
@@ -207,6 +207,15 @@ variable "resourceRequirements" {
   type        = list(string)
 }
 
+variable "runtime_platform" {
+  default = {}
+  description = "Runtime platform (operating system family and CPU architecture) to use by the task"
+  type = object({
+    operating_system_family = optional(string, "LINUX")
+    cpu_architecture       = optional(string, "X86_64")
+  })
+}
+
 variable "secrets" {
   default     = []
   description = "The secrets to pass to the container"