diff --git a/terraform/ecs.tf b/terraform/ecs.tf
index be82e19..6922d10 100644
--- a/terraform/ecs.tf
+++ b/terraform/ecs.tf
@@ -28,8 +28,9 @@ module "backend" {
   permissions_boundary_name    = "infra/i-dot-ai-${var.env}-parliament-mcp-perms-boundary-app"
 
   # Resource allocation - increased from defaults (256/512) for embedding model overhead
-  memory = 2048
-  cpu    = 512
+  # Preprod gets double allocation
+  memory = var.env == "preprod" ? 4096 : 2048
+  cpu    = var.env == "preprod" ? 1024 : 512
 
   create_networking = true
   create_listener   = true