diff --git a/README.md b/README.md
index 2351b82..1a3c689 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ An opinionated Terraform module that can be used to create and manage an EKS clu
 | <a name="module_iam_assumable_role_log_shipping"></a> [iam\_assumable\_role\_log\_shipping](#module\_iam\_assumable\_role\_log\_shipping) | terraform-aws-modules/iam/aws//modules/iam-assumable-role-with-oidc | 5.4.0 |
 | <a name="module_iam_assumable_role_phlare"></a> [iam\_assumable\_role\_phlare](#module\_iam\_assumable\_role\_phlare) | terraform-aws-modules/iam/aws//modules/iam-assumable-role-with-oidc | 5.4.0 |
 | <a name="module_iam_assumable_role_velero"></a> [iam\_assumable\_role\_velero](#module\_iam\_assumable\_role\_velero) | terraform-aws-modules/iam/aws//modules/iam-assumable-role-with-oidc | 5.9.2 |
-| <a name="module_main"></a> [main](#module\_main) | terraform-aws-modules/eks/aws | ~> 21.3.1 |
+| <a name="module_main"></a> [main](#module\_main) | terraform-aws-modules/eks/aws | ~> 21.15.0 |
 
 ## Resources
 
diff --git a/eks.tf b/eks.tf
index 58705d5..b5be6c7 100644
--- a/eks.tf
+++ b/eks.tf
@@ -96,7 +96,7 @@ data "aws_subnets" "public" {
 // EKS cluster.
 module "main" {
   source  = "terraform-aws-modules/eks/aws"
-  version = "~> 21.3.1"
+  version = "~> 21.15.0"
 
   addons                                   = var.cluster_addons != null ? { for k, v in var.cluster_addons : k => v if k != "coredns" } : null // The set of addons to enable on the EKS cluster, excluding coredns which is managed separately.
   enable_cluster_creator_admin_permissions = true                                                                                              // Give access to person/bot running terraform access to the cluster