diff --git a/main.tf b/main.tf
index 5e5818e..59c8cd0 100644
--- a/main.tf
+++ b/main.tf
@@ -1,5 +1,5 @@
 locals {
-  namespace      = "karpenter"
+  namespace      = var.namespace
   amd_ami_family = "Bottlerocket"
   amd_ami_alias  = "bottlerocket@latest"
 }
@@ -12,7 +12,7 @@ module "karpenter_resources" {
   cluster_name                    = var.cluster_name
   enable_irsa                     = true
   irsa_oidc_provider_arn          = var.oidc_provider_arn
-  create_pod_identity_association = true
+  irsa_namespace_service_accounts = ["${local.namespace}:karpenter"]
 
   # Attach additional IAM policies to the Karpenter node IAM role
   node_iam_role_additional_policies = {
diff --git a/variables.tf b/variables.tf
index bd99185..85e1724 100644
--- a/variables.tf
+++ b/variables.tf
@@ -48,6 +48,12 @@ variable "karpenter_tag" {
   default     = "1.1.1"
 }
 
+variable "namespace" {
+  description = "Namespace in which to install cert manager"
+  type        = string
+  default     = "kube-system"
+}
+
 variable "subnets_name" {
   description = "Define the name of the subnets to be used by this cluster"
   type        = string