diff --git a/it-linux-base/README.md b/it-linux-base/README.md
index b8f11a3..bc81bca 100644
--- a/it-linux-base/README.md
+++ b/it-linux-base/README.md
@@ -22,13 +22,14 @@ module "it-linux-base" {
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.12 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.66.0 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| <a name="provider_aws"></a> [aws](#provider\_aws) | n/a |
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 3.66.0 |
 
 ## Modules
 
diff --git a/it-linux-base/variables.tf b/it-linux-base/variables.tf
index 8235220..ea6f289 100644
--- a/it-linux-base/variables.tf
+++ b/it-linux-base/variables.tf
@@ -40,7 +40,7 @@ variable "vpc_id" {
 }
 
 data "aws_vpc" "selected" {
-  id = "${var.vpc_id}"
+  id = var.vpc_id
 }
 
 variable "vpc_full_name" {