diff --git a/CHANGELOG.md b/CHANGELOG.md
index 484baf9..d091dca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,17 @@
 
 All notable changes to this project will be documented in this file.
 
+## [3.0.0](https://github.com/terraform-aws-modules/terraform-aws-appsync/compare/v2.6.0...v3.0.0) (2025-01-09)
+
+
+### ⚠ BREAKING CHANGES
+
+* Rename resource aws_appsync_api_cache (#70)
+
+### Miscellaneous Chores
+
+* Rename resource aws_appsync_api_cache ([#70](https://github.com/terraform-aws-modules/terraform-aws-appsync/issues/70)) ([4b7f0b1](https://github.com/terraform-aws-modules/terraform-aws-appsync/commit/4b7f0b1e5d940d4059e29ca7fc408978bfe85842))
+
 ## [2.6.0](https://github.com/terraform-aws-modules/terraform-aws-appsync/compare/v2.5.1...v2.6.0) (2025-01-07)
 
 
diff --git a/README.md b/README.md
index 7a8ca6f..f1deb47 100644
--- a/README.md
+++ b/README.md
@@ -132,7 +132,7 @@ $ terraform apply
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.3.2 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.61.0 |
 
 ## Providers
@@ -149,7 +149,7 @@ No modules.
 
 | Name | Type |
 |------|------|
-| [aws_appsync_api_cache.example](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/appsync_api_cache) | resource |
+| [aws_appsync_api_cache.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/appsync_api_cache) | resource |
 | [aws_appsync_api_key.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/appsync_api_key) | resource |
 | [aws_appsync_datasource.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/appsync_datasource) | resource |
 | [aws_appsync_domain_name.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/appsync_domain_name) | resource |
diff --git a/examples/complete/README.md b/examples/complete/README.md
index 5ad70fa..dbfbdfc 100644
--- a/examples/complete/README.md
+++ b/examples/complete/README.md
@@ -29,13 +29,14 @@ Note that this example may create resources which cost money. Run `terraform des
 | Name | Version |
 |------|---------|
 | <a name="provider_aws"></a> [aws](#provider\_aws) | >= 5.1 |
+| <a name="provider_aws.us-east-1"></a> [aws.us-east-1](#provider\_aws.us-east-1) | >= 5.1 |
 | <a name="provider_random"></a> [random](#provider\_random) | >= 2.0 |
 
 ## Modules
 
 | Name | Source | Version |
 |------|--------|---------|
-| <a name="module_acm"></a> [acm](#module\_acm) | terraform-aws-modules/acm/aws | ~> 3 |
+| <a name="module_acm"></a> [acm](#module\_acm) | terraform-aws-modules/acm/aws | ~> 5.0 |
 | <a name="module_appsync"></a> [appsync](#module\_appsync) | ../../ | n/a |
 | <a name="module_disabled"></a> [disabled](#module\_disabled) | ../../ | n/a |
 
@@ -48,11 +49,20 @@ Note that this example may create resources which cost money. Run `terraform des
 | [aws_route53_record.api](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route53_record) | resource |
 | [aws_route53_zone.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route53_zone) | resource |
 | [random_pet.this](https://registry.terraform.io/providers/hashicorp/random/latest/docs/resources/pet) | resource |
+| [aws_acm_certificate.existing_certificate](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/acm_certificate) | data source |
+| [aws_caller_identity.current](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/caller_identity) | data source |
+| [aws_region.current](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/region) | data source |
 | [aws_route53_zone.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/route53_zone) | data source |
 
 ## Inputs
 
-No inputs.
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| <a name="input_existing_acm_certificate_domain_name"></a> [existing\_acm\_certificate\_domain\_name](#input\_existing\_acm\_certificate\_domain\_name) | Existing ACM certificate domain name | `string` | `"terraform-aws-modules.modules.tf"` | no |
+| <a name="input_region"></a> [region](#input\_region) | AWS region where resources will be created | `string` | `"eu-west-1"` | no |
+| <a name="input_route53_domain_name"></a> [route53\_domain\_name](#input\_route53\_domain\_name) | Existing Route 53 domain name | `string` | `"terraform-aws-modules.modules.tf"` | no |
+| <a name="input_use_existing_acm_certificate"></a> [use\_existing\_acm\_certificate](#input\_use\_existing\_acm\_certificate) | Whether to use an existing ACM certificate | `bool` | `false` | no |
+| <a name="input_use_existing_route53_zone"></a> [use\_existing\_route53\_zone](#input\_use\_existing\_route53\_zone) | Whether to use an existing Route 53 zone | `bool` | `true` | no |
 
 ## Outputs
 
diff --git a/examples/complete/main.tf b/examples/complete/main.tf
index d6d6eb7..28226fd 100644
--- a/examples/complete/main.tf
+++ b/examples/complete/main.tf
@@ -1,5 +1,5 @@
 provider "aws" {
-  region = "eu-west-1"
+  region = var.region
 
   # Make it faster by skipping something
   skip_metadata_api_check     = true
@@ -24,53 +24,61 @@ provider "aws" {
 }
 
 locals {
-  # Use existing (via data source) or create new zone (will fail validation, if zone is not reachable)
-  use_existing_route53_zone = true
-
-  domain = "terraform-aws-modules.modules.tf"
-
   # Removing trailing dot from domain - just to be sure :)
-  domain_name = trimsuffix(local.domain, ".")
+  route53_domain_name = trimsuffix(var.route53_domain_name, ".")
 }
 
 data "aws_route53_zone" "this" {
-  count = local.use_existing_route53_zone ? 1 : 0
+  count = var.use_existing_route53_zone ? 1 : 0
 
-  name         = local.domain_name
+  name         = local.route53_domain_name
   private_zone = false
 }
 
 resource "aws_route53_zone" "this" {
-  count = !local.use_existing_route53_zone ? 1 : 0
-  name  = local.domain_name
+  count = !var.use_existing_route53_zone ? 1 : 0
+
+  name = local.route53_domain_name
 }
 
 resource "aws_route53_record" "api" {
   zone_id = try(data.aws_route53_zone.this[0].zone_id, aws_route53_zone.this[0].zone_id)
-  name    = "api.${local.domain}"
+  name    = "api.${var.route53_domain_name}"
   type    = "CNAME"
   ttl     = "300"
   records = [module.appsync.appsync_domain_name]
 }
 
+data "aws_acm_certificate" "existing_certificate" {
+  count = var.use_existing_acm_certificate ? 1 : 0
+
+  domain = var.existing_acm_certificate_domain_name
+
+  provider = aws.us-east-1
+}
+
 module "acm" {
+  count = var.use_existing_acm_certificate ? 0 : 1
+
   source  = "terraform-aws-modules/acm/aws"
-  version = "~> 3"
+  version = "~> 5.0"
 
-  domain_name = local.domain_name
+  domain_name = local.route53_domain_name
   zone_id     = try(data.aws_route53_zone.this[0].zone_id, aws_route53_zone.this[0].zone_id)
 
   subject_alternative_names = [
-    "*.alerts.${local.domain_name}",
-    "new.sub.${local.domain_name}",
-    "*.${local.domain_name}",
-    "alerts.${local.domain_name}",
+    "*.alerts.${local.route53_domain_name}",
+    "new.sub.${local.route53_domain_name}",
+    "*.${local.route53_domain_name}",
+    "alerts.${local.route53_domain_name}",
   ]
 
   wait_for_validation = true
 
+  validation_method = "DNS"
+
   tags = {
-    Name = local.domain_name
+    Name = local.route53_domain_name
   }
 
   providers = {
@@ -78,6 +86,9 @@ module "acm" {
   }
 }
 
+data "aws_caller_identity" "current" {}
+data "aws_region" "current" {}
+
 module "appsync" {
   source = "../../"
 
@@ -94,9 +105,9 @@ module "appsync" {
   query_depth_limit    = 10
   resolver_count_limit = 25
 
-  domain_name             = "api.${local.domain}"
+  domain_name             = "api.${var.route53_domain_name}"
   domain_name_description = "My ${random_pet.this.id} AppSync Domain"
-  certificate_arn         = module.acm.acm_certificate_arn
+  certificate_arn         = var.use_existing_acm_certificate ? data.aws_acm_certificate.existing_certificate[0].arn : module.acm[0].acm_certificate_arn
 
   caching_behavior                 = "PER_RESOLVER_CACHING"
   cache_type                       = "SMALL"
@@ -147,7 +158,7 @@ module "appsync" {
     lambda = {
       authentication_type = "AWS_LAMBDA"
       lambda_authorizer_config = {
-        authorizer_uri = "arn:aws:lambda:eu-west-1:835367859851:function:appsync_auth_2"
+        authorizer_uri = "arn:aws:lambda:${data.aws_region.current.name}:${data.aws_caller_identity.current.account_id}:function:appsync_auth_2"
       }
     }
   }
diff --git a/examples/complete/variables.tf b/examples/complete/variables.tf
index e69de29..dc36335 100644
--- a/examples/complete/variables.tf
+++ b/examples/complete/variables.tf
@@ -0,0 +1,29 @@
+variable "region" {
+  description = "AWS region where resources will be created"
+  type        = string
+  default     = "eu-west-1"
+}
+
+variable "use_existing_route53_zone" {
+  description = "Whether to use an existing Route 53 zone"
+  type        = bool
+  default     = true
+}
+
+variable "route53_domain_name" {
+  description = "Existing Route 53 domain name"
+  type        = string
+  default     = "terraform-aws-modules.modules.tf"
+}
+
+variable "use_existing_acm_certificate" {
+  description = "Whether to use an existing ACM certificate"
+  type        = bool
+  default     = false
+}
+
+variable "existing_acm_certificate_domain_name" {
+  description = "Existing ACM certificate domain name"
+  type        = string
+  default     = "terraform-aws-modules.modules.tf"
+}
diff --git a/main.tf b/main.tf
index 736e58a..7ae6847 100644
--- a/main.tf
+++ b/main.tf
@@ -129,7 +129,7 @@ resource "aws_appsync_domain_name_api_association" "this" {
 }
 
 # API Cache
-resource "aws_appsync_api_cache" "example" {
+resource "aws_appsync_api_cache" "this" {
   count = var.create_graphql_api && var.caching_enabled ? 1 : 0
 
   api_id = aws_appsync_graphql_api.this[0].id
diff --git a/migrations.tf b/migrations.tf
new file mode 100644
index 0000000..dcab3d5
--- /dev/null
+++ b/migrations.tf
@@ -0,0 +1,8 @@
+################################################################################
+# Migrations: v2.6.0 -> v3.0.0
+################################################################################
+
+moved {
+  from = aws_appsync_api_cache.example
+  to   = aws_appsync_api_cache.this
+}
diff --git a/versions.tf b/versions.tf
index ee879be..f6024da 100644
--- a/versions.tf
+++ b/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.3.2"
 
   required_providers {
     aws = {
diff --git a/wrappers/versions.tf b/wrappers/versions.tf
index ee879be..f6024da 100644
--- a/wrappers/versions.tf
+++ b/wrappers/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.3.2"
 
   required_providers {
     aws = {