diff --git a/aws-eks-addons/main.tf b/aws-eks-addons/main.tf
index 654b858..1c62897 100644
--- a/aws-eks-addons/main.tf
+++ b/aws-eks-addons/main.tf
@@ -36,7 +36,7 @@ resource "helm_release" "aws_lb_controller" {
   repository = "https://aws.github.io/eks-charts"
   chart      = "aws-load-balancer-controller"
   namespace  = "kube-system"
-  version    = "1.6.1"
+  version    = var.aws_lb_controller_version
   depends_on = [
     kubernetes_service_account.service-account
   ]
@@ -537,7 +537,7 @@ resource "helm_release" "karpenter" {
   repository_username = data.aws_ecrpublic_authorization_token.token.user_name
   repository_password = data.aws_ecrpublic_authorization_token.token.password
   chart               = "karpenter"
-  version             = "v0.28.1"
+  version             = var.karpenter_version
 
   set {
     name  = "settings.aws.clusterName"
diff --git a/aws-eks-addons/variables.tf b/aws-eks-addons/variables.tf
index b6395db..88012e1 100644
--- a/aws-eks-addons/variables.tf
+++ b/aws-eks-addons/variables.tf
@@ -146,6 +146,7 @@ variable "deploy_rancher" {
 variable "rancher_hostname" {
   description = "Rancher Hostname"
   type = string
+  default = ""
 }
 
 variable "deploy_rancher_monitoring" {
@@ -345,3 +346,13 @@ variable "gitops_url" {
   description = "url of the argocd"
   default = "https://gitops.platform.mycompany.com"
 }
+
+variable "aws_lb_controller_version" {
+  description = "AWS load balancer controller version"
+  default = "1.6.1"
+}
+
+variable "karpenter_version" {
+  description = "Karpenter version"
+  default = "v0.31.1"
+}
\ No newline at end of file