diff --git a/resource-groups/elasticache-redis/main.tf b/resource-groups/elasticache-redis/main.tf
index d67918ee..9ade64a1 100644
--- a/resource-groups/elasticache-redis/main.tf
+++ b/resource-groups/elasticache-redis/main.tf
@@ -4,7 +4,7 @@ resource "aws_elasticache_cluster" "cluster" {
   engine               = "redis"
   node_type            = var.node_type
   num_cache_nodes      = var.num_cache_nodes
-  parameter_group_name = "default.redis6.x"
+  parameter_group_name = var.elasticache_cluster_parameter_group_name
   engine_version       = var.engine_version
   port                 = 6379
   security_group_ids   = [aws_security_group.cluster.id]
diff --git a/resource-groups/elasticache-redis/variables.tf b/resource-groups/elasticache-redis/variables.tf
index eaef73fd..3fc17fc9 100644
--- a/resource-groups/elasticache-redis/variables.tf
+++ b/resource-groups/elasticache-redis/variables.tf
@@ -13,6 +13,12 @@ variable "elasticache_cluster_apply_immediately" {
   default     = false
 }
 
+variable "elasticache_cluster_parameter_group_name" {
+  type        = string
+  description = "The Parameter Group Name for the Elasticache cluster (defaults to default.redis6.x)"
+  default     = "default.redis6.x"
+}
+
 variable "engine_version" {
   type        = string
   description = "Version of Redis engine"