diff --git a/atlantis.yaml b/atlantis.yaml
index c196e0d..7285adb 100644
--- a/atlantis.yaml
+++ b/atlantis.yaml
@@ -11,6 +11,7 @@ projects:
   terraform_version: 1.1.2
 - name: dns
   dir: terraform/wifi-289708231103/dns
+  terraform_version: 1.1.2
 - name: tip-wifi-vpn
   dir: terraform/wifi-289708231103/tip-wifi-vpn
   terraform_version: 1.1.2
diff --git a/terraform/wifi-289708231103/dns/.terraform.lock.hcl b/terraform/wifi-289708231103/dns/.terraform.lock.hcl
new file mode 100644
index 0000000..2859291
--- /dev/null
+++ b/terraform/wifi-289708231103/dns/.terraform.lock.hcl
@@ -0,0 +1,21 @@
+# This file is maintained automatically by "terraform init".
+# Manual edits may be lost in future updates.
+
+provider "registry.terraform.io/hashicorp/aws" {
+  version     = "3.70.0"
+  constraints = ">= 2.53.0, >= 2.59.0"
+  hashes = [
+    "h1:E5IKHXzPGGSizZM5rHKzNCzpwQ7lWPXmmJnms82uzDk=",
+    "zh:0af710e528e21b930899f0ac295b0ceef8ad7b623dd8f38e92c8ec4bc7af0321",
+    "zh:4cabcd4519c0aae474d91ae67a8e3a4a8c39c3945c289a9cf7c1409f64409abe",
+    "zh:58da1a436facb4e4f95cd2870d211ed7bcb8cf721a4a61970aa8da191665f2aa",
+    "zh:6465339475c1cd3c16a5c8fee61304dcad2c4a27740687d29c6cdc90d2e6423d",
+    "zh:7a821ed053c355d70ebe33185590953fa5c364c1f3d66fe3f9b4aba3961646b1",
+    "zh:7c3656cc9cc1739dcb298e7930c9a76ccfce738d2070841d7e6c62fbdae74eef",
+    "zh:9d9da9e3c60a0c977e156da8590f36a219ae91994bb3df5a1208de2ab3ceeba7",
+    "zh:a3138817c86bf3e4dca7fd3a92e099cd1bf1d45ee7c7cc9e9773ba04fc3b315a",
+    "zh:a8603044e935dfb3cb9319a46d26276162c6aea75e02c4827232f9c6029a3182",
+    "zh:aef9482332bf43d0b73317f5909dec9e95b983c67b10d72e75eacc7c4f37d084",
+    "zh:fc3f3cad84f2eebe566dd0b65904c934093007323b9b85e73d9dd4535ceeb29d",
+  ]
+}
diff --git a/terraform/wifi-289708231103/dns/main.tf b/terraform/wifi-289708231103/dns/main.tf
index aa8f3e5..6aea344 100644
--- a/terraform/wifi-289708231103/dns/main.tf
+++ b/terraform/wifi-289708231103/dns/main.tf
@@ -1,16 +1,14 @@
 provider "aws" {
-  version = ">= 2.59.0"
-  region  = var.aws_region
+  region = var.aws_region
 }
 
 provider "aws" {
-  alias   = "acm"
-  version = ">= 2.59.0"
-  region  = var.aws_acm_region
+  alias  = "acm"
+  region = var.aws_acm_region
 }
 
 terraform {
-  required_version = ">= 0.12.2, < 0.14"
+  required_version = ">= 1.0.0, < 2.0.0"
 
   backend "s3" {
     region         = "us-east-1"
@@ -33,10 +31,12 @@ resource "aws_route53_zone" "main" {
 }
 
 module "acm" {
+  source  = "terraform-aws-modules/acm/aws"
+  version = "~> 3.0"
+
   providers = {
     aws = aws.acm
   }
-  source = "git::https://github.com/terraform-aws-modules/terraform-aws-acm?ref=v2.9.0"
 
   domain_name = var.main_zone_name
   zone_id     = aws_route53_zone.main.zone_id
@@ -60,5 +60,5 @@ output "zone_name" {
 }
 
 output "certificate_arn" {
-  value = module.acm.this_acm_certificate_arn
+  value = module.acm.acm_certificate_arn
 }