diff --git a/README.md b/README.md
index e45cf55..d39e912 100644
--- a/README.md
+++ b/README.md
@@ -107,7 +107,7 @@ module "eks" {
 
 ### EKS Provisioned Control Plane
 
-EKS Provisioned Control Plane allows you to provision a control plane with increased capacity for larger workloads. Valid tier values are `standard`, `tier-xl`, `tier-2xl`, and `tier-4xl`.
+EKS Provisioned Control Plane allows you to provision a control plane with increased capacity for larger workloads. Valid tier values are `standard`, `tier-xl`, `tier-2xl`, `tier-4xl`, and `tier-8xl`.
 
 ```hcl
 module "eks" {
@@ -476,7 +476,7 @@ We are grateful to the community for contributing bugfixes and improvements! Ple
 | <a name="input_cloudwatch_log_group_tags"></a> [cloudwatch\_log\_group\_tags](#input\_cloudwatch\_log\_group\_tags) | A map of additional tags to add to the cloudwatch log group created | `map(string)` | `{}` | no |
 | <a name="input_cluster_tags"></a> [cluster\_tags](#input\_cluster\_tags) | A map of additional tags to add to the cluster | `map(string)` | `{}` | no |
 | <a name="input_compute_config"></a> [compute\_config](#input\_compute\_config) | Configuration block for the cluster compute configuration | <pre>object({<br/>    enabled       = optional(bool, false)<br/>    node_pools    = optional(list(string))<br/>    node_role_arn = optional(string)<br/>  })</pre> | `null` | no |
-| <a name="input_control_plane_scaling_config"></a> [control\_plane\_scaling\_config](#input\_control\_plane\_scaling\_config) | Configuration block for the EKS Provisioned Control Plane scaling tier. Valid values for tier are `standard`, `tier-xl`, `tier-2xl`, and `tier-4xl` | <pre>object({<br/>    tier = string<br/>  })</pre> | `null` | no |
+| <a name="input_control_plane_scaling_config"></a> [control\_plane\_scaling\_config](#input\_control\_plane\_scaling\_config) | Configuration block for the EKS Provisioned Control Plane scaling tier. Valid values for tier are `standard`, `tier-xl`, `tier-2xl`, `tier-4xl` and `tier-8xl` | <pre>object({<br/>    tier = string<br/>  })</pre> | `null` | no |
 | <a name="input_control_plane_subnet_ids"></a> [control\_plane\_subnet\_ids](#input\_control\_plane\_subnet\_ids) | A list of subnet IDs where the EKS cluster control plane (ENIs) will be provisioned. Used for expanding the pool of subnets used by nodes/node groups without replacing the EKS control plane | `list(string)` | `[]` | no |
 | <a name="input_create"></a> [create](#input\_create) | Controls if resources should be created (affects nearly all resources) | `bool` | `true` | no |
 | <a name="input_create_auto_mode_iam_resources"></a> [create\_auto\_mode\_iam\_resources](#input\_create\_auto\_mode\_iam\_resources) | Determines whether to create/attach IAM resources for EKS Auto Mode. Useful for when using only custom node pools and not built-in EKS Auto Mode node pools | `bool` | `false` | no |
diff --git a/variables.tf b/variables.tf
index d3eab6a..24afe90 100644
--- a/variables.tf
+++ b/variables.tf
@@ -73,7 +73,7 @@ variable "compute_config" {
 }
 
 variable "control_plane_scaling_config" {
-  description = "Configuration block for the EKS Provisioned Control Plane scaling tier. Valid values for tier are `standard`, `tier-xl`, `tier-2xl`, and `tier-4xl`"
+  description = "Configuration block for the EKS Provisioned Control Plane scaling tier. Valid values for tier are `standard`, `tier-xl`, `tier-2xl`, `tier-4xl` and `tier-8xl`"
   type = object({
     tier = string
   })