diff --git a/examples/simple/main.tf b/examples/simple/main.tf
index c3e1f16..e4e20ef 100644
--- a/examples/simple/main.tf
+++ b/examples/simple/main.tf
@@ -39,7 +39,7 @@ module "materialize_infrastructure" {
   database_password    = "your-secure-password"
   db_identifier        = "materialize-simple"
   postgres_version     = "15"
-  db_instance_class    = "db.t3.micro"
+  db_instance_class    = "db.t3.large"
   db_allocated_storage = 20
   database_name        = "materialize"
   database_username    = "materialize"
diff --git a/terraform.tfvars.example b/terraform.tfvars.example
index 32feceb..76b7961 100644
--- a/terraform.tfvars.example
+++ b/terraform.tfvars.example
@@ -10,12 +10,12 @@ tags = {
   Project     = "my-project"
 }
 
-node_group_instance_types = ["t3.micro"]
+node_group_instance_types = ["r5.xlarge"]
 node_group_desired_size   = 3
 node_group_min_size       = 2
 node_group_max_size       = 5
 
-db_instance_class    = "db.t3.micro"
+db_instance_class    = "db.t3.large"
 db_allocated_storage = 20
 db_multi_az          = false
 
diff --git a/variables.tf b/variables.tf
index dfae01c..2fe0ab5 100644
--- a/variables.tf
+++ b/variables.tf
@@ -136,7 +136,7 @@ variable "postgres_version" {
 variable "db_instance_class" {
   description = "Instance class for the RDS instance"
   type        = string
-  default     = "db.t3.medium"
+  default     = "db.t3.large"
 }
 
 variable "db_allocated_storage" {