diff --git a/README.md b/README.md
index f53a3c5..015cf3b 100644
--- a/README.md
+++ b/README.md
@@ -113,7 +113,7 @@ efs-csi-controller    0         5m
 | Name | Source | Version |
 |------|--------|---------|
 | <a name="module_cloudwatch_observability_irsa_role"></a> [cloudwatch\_observability\_irsa\_role](#module\_cloudwatch\_observability\_irsa\_role) | git::https://github.e.it.census.gov/SCT-Engineering/terraform-aws-iam//modules/iam-role-for-service-accounts-eks | n/a |
-| <a name="module_cluster"></a> [cluster](#module\_cluster) | git::https://github.e.it.census.gov/SCT-Engineering/terraform-aws-eks/ | v21.4.0 |
+| <a name="module_cluster"></a> [cluster](#module\_cluster) | git::https://github.e.it.census.gov/SCT-Engineering/terraform-aws-eks/ | v21.6.1 |
 | <a name="module_ebs_csi_irsa_role"></a> [ebs\_csi\_irsa\_role](#module\_ebs\_csi\_irsa\_role) | git::https://github.e.it.census.gov/SCT-Engineering/terraform-aws-iam//modules/iam-role-for-service-accounts-eks | n/a |
 | <a name="module_efs_csi_irsa_role"></a> [efs\_csi\_irsa\_role](#module\_efs\_csi\_irsa\_role) | git::https://github.e.it.census.gov/SCT-Engineering/terraform-aws-iam//modules/iam-role-for-service-accounts-eks | n/a |
 | <a name="module_vpc_cni_irsa_role"></a> [vpc\_cni\_irsa\_role](#module\_vpc\_cni\_irsa\_role) | git::https://github.e.it.census.gov/SCT-Engineering/terraform-aws-iam//modules/iam-role-for-service-accounts-eks | n/a |
diff --git a/main.tf b/main.tf
index 5aaf7c1..414c421 100644
--- a/main.tf
+++ b/main.tf
@@ -19,7 +19,7 @@ resource "terraform_data" "subnet_validation" {
 }
 
 module "cluster" {
-  source = "git::https://github.e.it.census.gov/SCT-Engineering/terraform-aws-eks/?ref=v21.4.0"
+  source = "git::https://github.e.it.census.gov/SCT-Engineering/terraform-aws-eks/?ref=v21.6.1"
 
   access_entries                           = local.access_entries
   cloudwatch_log_group_retention_in_days   = var.cloudwatch_retention_days