diff --git a/services/terraform/self-host/variables.tf b/services/terraform/self-host/variables.tf
index d9a2bb21e..ca7d03a52 100644
--- a/services/terraform/self-host/variables.tf
+++ b/services/terraform/self-host/variables.tf
@@ -1,59 +1,65 @@
 variable "keyserver_user_credentials" {
   description = "Credentials for user authentication"
   type = object({
     username                 = string
     password                 = string
     usingIdentityCredentials = optional(bool)
     force                    = optional(bool)
   })
 }
 
 variable "domain_name" {
   description = "Domain name for your keyserver"
   type        = string
 }
 
 variable "mariadb_username" {
   description = "MariaDB username"
   type        = string
   sensitive   = true
 }
 
 variable "mariadb_password" {
   description = "MariaDB password"
   type        = string
   sensitive   = true
 }
 
 variable "region" {
   description = "The AWS region to deploy your keyserver in"
   type        = string
   default     = "us-west-1"
 }
 
 variable "allowed_ip" {
   description = "IP address"
   type        = string
 }
 
 variable "user_created_vpc" {
   description = "Use non-default vpc and subnets"
 }
 
 variable "availability_zone_1" {
   description = "First availability zone for vpc subnet if user created vpc"
   type        = string
   default     = "us-west-1b"
 }
 
 variable "availability_zone_2" {
   description = "Second availability zone for vpc subnet if user created vpc"
   type        = string
   default     = "us-west-1c"
 }
 
 variable "identity_socket_address" {
   description = "The socket address to access the identity service"
   type        = string
   default     = "https://identity.commtechnologies.org:50054"
 }
+
+variable "db_instance_class" {
+  description = "The instance class for the MariaDB RDS instance"
+  type        = string
+  default     = "db.t4g.medium"
+}