diff --git a/_example/memcached/versions.tf b/_example/memcached/versions.tf
index 473acc3..fb1ba74 100644
--- a/_example/memcached/versions.tf
+++ b/_example/memcached/versions.tf
@@ -1,11 +1,11 @@
 # Terraform version
 terraform {
-  required_version = ">= 1.6.2"
+  required_version = ">= 1.6.5"
 
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 5.22.0"
+      version = ">= 5.31.0"
     }
   }
 }
diff --git a/main.tf b/main.tf
index 0a52ba8..e65ba6d 100644
--- a/main.tf
+++ b/main.tf
@@ -179,6 +179,7 @@ resource "aws_elasticache_replication_group" "cluster" {
   kms_key_id                 = var.kms_key_id == "" ? join("", aws_kms_key.default[*].arn) : var.kms_key_id
   tags                       = module.labels.tags
   num_cache_clusters         = var.num_cache_clusters
+  user_group_ids             = var.user_group_ids
 
   dynamic "log_delivery_configuration" {
     for_each = var.log_delivery_configuration
diff --git a/variables.tf b/variables.tf
index 841f5a3..6e9d871 100644
--- a/variables.tf
+++ b/variables.tf
@@ -72,6 +72,12 @@ variable "port" {
   sensitive   = true
 }
 
+variable "user_group_ids" {
+  type        = list(string)
+  default     = [""]
+  description = "User Group ID to associate with the replication group."
+}
+
 variable "node_type" {
   type        = string
   default     = "cache.t2.small"
diff --git a/versions.tf b/versions.tf
index 4a1aadb..0960c81 100644
--- a/versions.tf
+++ b/versions.tf
@@ -1,6 +1,6 @@
 # Terraform version
 terraform {
-  required_version = ">= 1.6.6"
+  required_version = ">= 1.6.5"
 
   required_providers {
     aws = {