diff --git a/README.md b/README.md
index e0826f21..248d8cca 100644
--- a/README.md
+++ b/README.md
@@ -455,7 +455,7 @@ Available targets:
 | <a name="input_source_region"></a> [source\_region](#input\_source\_region) | Source Region of primary cluster, needed when using encrypted storage and region replicas | `string` | `""` | no |
 | <a name="input_stage"></a> [stage](#input\_stage) | ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no |
 | <a name="input_storage_encrypted"></a> [storage\_encrypted](#input\_storage\_encrypted) | Specifies whether the DB cluster is encrypted. The default is `false` for `provisioned` `engine_mode` and `true` for `serverless` `engine_mode` | `bool` | `false` | no |
-| <a name="input_storage_type"></a> [storage\_type](#input\_storage\_type) | One of 'standard' (magnetic), 'gp2' (general purpose SSD), or 'io1' (provisioned IOPS SSD) | `string` | `null` | no |
+| <a name="input_storage_type"></a> [storage\_type](#input\_storage\_type) | One of 'standard' (magnetic), 'gp2' (general purpose SSD), 'io1' (provisioned IOPS SSD), 'aurora', or 'aurora-iopt1' | `string` | `null` | no |
 | <a name="input_subnet_group_name"></a> [subnet\_group\_name](#input\_subnet\_group\_name) | Database subnet group name. Will use generated label ID if not supplied. | `string` | `""` | no |
 | <a name="input_subnets"></a> [subnets](#input\_subnets) | List of VPC subnet IDs | `list(string)` | n/a | yes |
 | <a name="input_tags"></a> [tags](#input\_tags) | Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`).<br>Neither the tag keys nor the tag values will be modified by this module. | `map(string)` | `{}` | no |
diff --git a/docs/terraform.md b/docs/terraform.md
index 7f771511..5454f647 100644
--- a/docs/terraform.md
+++ b/docs/terraform.md
@@ -134,7 +134,7 @@
 | <a name="input_source_region"></a> [source\_region](#input\_source\_region) | Source Region of primary cluster, needed when using encrypted storage and region replicas | `string` | `""` | no |
 | <a name="input_stage"></a> [stage](#input\_stage) | ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no |
 | <a name="input_storage_encrypted"></a> [storage\_encrypted](#input\_storage\_encrypted) | Specifies whether the DB cluster is encrypted. The default is `false` for `provisioned` `engine_mode` and `true` for `serverless` `engine_mode` | `bool` | `false` | no |
-| <a name="input_storage_type"></a> [storage\_type](#input\_storage\_type) | One of 'standard' (magnetic), 'gp2' (general purpose SSD), or 'io1' (provisioned IOPS SSD) | `string` | `null` | no |
+| <a name="input_storage_type"></a> [storage\_type](#input\_storage\_type) | One of 'standard' (magnetic), 'gp2' (general purpose SSD), 'io1' (provisioned IOPS SSD), 'aurora', or 'aurora-iopt1' | `string` | `null` | no |
 | <a name="input_subnet_group_name"></a> [subnet\_group\_name](#input\_subnet\_group\_name) | Database subnet group name. Will use generated label ID if not supplied. | `string` | `""` | no |
 | <a name="input_subnets"></a> [subnets](#input\_subnets) | List of VPC subnet IDs | `list(string)` | n/a | yes |
 | <a name="input_tags"></a> [tags](#input\_tags) | Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`).<br>Neither the tag keys nor the tag values will be modified by this module. | `map(string)` | `{}` | no |
diff --git a/main.tf b/main.tf
index b7a0c54f..e0df337c 100644
--- a/main.tf
+++ b/main.tf
@@ -176,6 +176,7 @@ resource "aws_rds_cluster" "secondary" {
   skip_final_snapshot                 = var.skip_final_snapshot
   apply_immediately                   = var.apply_immediately
   storage_encrypted                   = var.storage_encrypted
+  storage_type                        = var.storage_type
   kms_key_id                          = var.kms_key_arn
   source_region                       = var.source_region
   snapshot_identifier                 = var.snapshot_identifier
diff --git a/variables.tf b/variables.tf
index 4598a19f..a8471f89 100644
--- a/variables.tf
+++ b/variables.tf
@@ -225,7 +225,7 @@ variable "storage_encrypted" {
 
 variable "storage_type" {
   type        = string
-  description = "One of 'standard' (magnetic), 'gp2' (general purpose SSD), or 'io1' (provisioned IOPS SSD)"
+  description = "One of 'standard' (magnetic), 'gp2' (general purpose SSD), 'io1' (provisioned IOPS SSD), 'aurora', or 'aurora-iopt1'"
   default     = null
 }