diff --git a/nacls/README.md b/nacls/README.md
index abf8000..620629b 100644
--- a/nacls/README.md
+++ b/nacls/README.md
@@ -25,13 +25,20 @@ module "nacls" {
 
 ## Requirements
 
-No requirements.
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.66.0 |
+| <a name="requirement_ldap"></a> [ldap](#requirement\_ldap) | >= 0.5.4 |
+| <a name="requirement_null"></a> [null](#requirement\_null) | >= 3.0 |
+| <a name="requirement_random"></a> [random](#requirement\_random) | >= 3.0 |
+| <a name="requirement_template"></a> [template](#requirement\_template) | >= 2.0 |
 
 ## 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/nacls/main.tf b/nacls/main.tf
index d95d27a..b6c2e26 100644
--- a/nacls/main.tf
+++ b/nacls/main.tf
@@ -47,7 +47,7 @@ resource "aws_network_acl" "private" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", format("%v%v-%v", local._prefixes["network-acl"], var.vpc_full_name, "private")),
+    { "Name" = format("%v%v-%v", local._prefixes["network-acl"], var.vpc_full_name, "private") },
   )
 }
 
@@ -61,6 +61,6 @@ resource "aws_network_acl" "public" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", format("%v%v-%v", local._prefixes["network-acl"], var.vpc_full_name, "public")),
+    { "Name" = format("%v%v-%v", local._prefixes["network-acl"], var.vpc_full_name, "public") },
   )
 }
diff --git a/routing/README.md b/routing/README.md
index 5b41902..1c60637 100644
--- a/routing/README.md
+++ b/routing/README.md
@@ -26,7 +26,9 @@ module "routing" {
 
 | Name | Version |
 |------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.66.0 |
+| <a name="requirement_ldap"></a> [ldap](#requirement\_ldap) | >= 0.5.4 |
 | <a name="requirement_null"></a> [null](#requirement\_null) | >= 3.0 |
 | <a name="requirement_random"></a> [random](#requirement\_random) | >= 3.0 |
 | <a name="requirement_template"></a> [template](#requirement\_template) | >= 2.0 |
diff --git a/routing/main.tf b/routing/main.tf
index 3d9eb1d..544d66c 100644
--- a/routing/main.tf
+++ b/routing/main.tf
@@ -50,7 +50,7 @@ resource "aws_route_table" "public" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", format("%v%v-%v-%v", local._prefixes["route-table"], var.vpc_full_name, var.public_route_table_label, each.key))
+    { "Name" = format("%v%v-%v-%v", local._prefixes["route-table"], var.vpc_full_name, var.public_route_table_label, each.key) },
   )
 }
 
@@ -70,7 +70,7 @@ resource "aws_route_table" "private" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", format("%v%v-%v-%v", local._prefixes["route-table"], var.vpc_full_name, var.private_route_table_label, each.key))
+    { "Name" = format("%v%v-%v-%v", local._prefixes["route-table"], var.vpc_full_name, var.private_route_table_label, each.key) },
   )
 }
 
@@ -93,7 +93,7 @@ resource "aws_eip" "nat" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", format("%v%v-%v", local._prefixes["elastic-ip"], var.vpc_full_name, each.key)),
+    { "Name" = format("%v%v-%v", local._prefixes["elastic-ip"], var.vpc_full_name, each.key) },
   )
 }
 
@@ -107,7 +107,7 @@ resource "aws_internet_gateway" "gateway" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", format("%v%v", local._prefixes["internet-gateway"], var.vpc_full_name)),
+    { "Name" = format("%v%v", local._prefixes["internet-gateway"], var.vpc_full_name) },
   )
 }
 
@@ -126,7 +126,7 @@ resource "aws_nat_gateway" "nat" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", format("%v%v-%v", local._prefixes["nat-gateway"], var.vpc_full_name, each.key)),
+    { "Name" = format("%v%v-%v", local._prefixes["nat-gateway"], var.vpc_full_name, each.key) },
   )
 }
 
diff --git a/routing/vpc-endpoints.tf b/routing/vpc-endpoints.tf
index c41066c..e271a66 100644
--- a/routing/vpc-endpoints.tf
+++ b/routing/vpc-endpoints.tf
@@ -26,7 +26,7 @@ resource "aws_vpc_endpoint" "s3" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", format("%v%v-%v", local._prefixes["vpc-endpoint"], "s3", var.vpc_full_name)),
+    { "Name" = format("%v%v-%v", local._prefixes["vpc-endpoint"], "s3", var.vpc_full_name) },
   )
 }
 
@@ -54,7 +54,7 @@ resource "aws_vpc_endpoint" "dynamodb" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", format("%v%v-%v", local._prefixes["vpc-endpoint"], "dynamodb", var.vpc_full_name)),
+    { "Name" = format("%v%v-%v", local._prefixes["vpc-endpoint"], "dynamodb", var.vpc_full_name) },
   )
 }
 
diff --git a/security-groups/README.md b/security-groups/README.md
index 333f6a5..3191a91 100644
--- a/security-groups/README.md
+++ b/security-groups/README.md
@@ -20,21 +20,28 @@ module "base-security-groups" {
 
 ## Requirements
 
-No requirements.
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.66.0 |
+| <a name="requirement_ldap"></a> [ldap](#requirement\_ldap) | >= 0.5.4 |
+| <a name="requirement_null"></a> [null](#requirement\_null) | >= 3.0 |
+| <a name="requirement_random"></a> [random](#requirement\_random) | >= 3.0 |
+| <a name="requirement_template"></a> [template](#requirement\_template) | >= 2.0 |
 
 ## 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
 
 | Name | Source | Version |
 |------|--------|---------|
-| <a name="module_sg-linux-base"></a> [sg-linux-base](#module\_sg-linux-base) | git@github.e.it.census.gov:terraform-modules/aws-common-security-groups.git//it-linux-base |  |
-| <a name="module_sg-ois-scanner"></a> [sg-ois-scanner](#module\_sg-ois-scanner) | git@github.e.it.census.gov:terraform-modules/aws-common-security-groups.git//ois-scanner |  |
-| <a name="module_sg-windows-base"></a> [sg-windows-base](#module\_sg-windows-base) | git@github.e.it.census.gov:terraform-modules/aws-common-security-groups.git//it-windows-base |  |
+| <a name="module_sg-linux-base"></a> [sg-linux-base](#module\_sg-linux-base) | git@github.e.it.census.gov:terraform-modules/aws-common-security-groups.git//it-linux-base | n/a |
+| <a name="module_sg-ois-scanner"></a> [sg-ois-scanner](#module\_sg-ois-scanner) | git@github.e.it.census.gov:terraform-modules/aws-common-security-groups.git//ois-scanner | n/a |
+| <a name="module_sg-windows-base"></a> [sg-windows-base](#module\_sg-windows-base) | git@github.e.it.census.gov:terraform-modules/aws-common-security-groups.git//it-windows-base | n/a |
 
 ## Resources
 
diff --git a/security-groups/main.tf b/security-groups/main.tf
index f56c143..9658044 100644
--- a/security-groups/main.tf
+++ b/security-groups/main.tf
@@ -39,8 +39,10 @@ resource "aws_default_security_group" "default" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Environment", var.vpc_environment),
-    map("Name", format("default-sg-%v", var.vpc_full_name))
+    {
+      "Environment" = var.vpc_environment
+      "Name"        = format("default-sg-%v", var.vpc_full_name)
+    }
   )
 }
 
@@ -56,7 +58,7 @@ module "sg-linux-base" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Environment", var.vpc_environment),
+    { "Environment" = var.vpc_environment },
   )
 }
 
@@ -69,7 +71,7 @@ module "sg-windows-base" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Environment", var.vpc_environment),
+    { "Environment" = var.vpc_environment },
   )
 }
 
@@ -82,6 +84,6 @@ module "sg-ois-scanner" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Environment", var.vpc_environment),
+    { "Environment" = var.vpc_environment },
   )
 }
diff --git a/subnets/README.md b/subnets/README.md
index 59ffcdc..679bd0a 100644
--- a/subnets/README.md
+++ b/subnets/README.md
@@ -50,13 +50,20 @@ be private.
 
 ## Requirements
 
-No requirements.
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.66.0 |
+| <a name="requirement_ldap"></a> [ldap](#requirement\_ldap) | >= 0.5.4 |
+| <a name="requirement_null"></a> [null](#requirement\_null) | >= 3.0 |
+| <a name="requirement_random"></a> [random](#requirement\_random) | >= 3.0 |
+| <a name="requirement_template"></a> [template](#requirement\_template) | >= 2.0 |
 
 ## 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/subnets/main.tf b/subnets/main.tf
index 9209aaa..308713b 100644
--- a/subnets/main.tf
+++ b/subnets/main.tf
@@ -98,7 +98,7 @@ resource "aws_subnet" "public" {
     local.base_tags,
     var.tags,
     each.value.tags,
-    map("Name", format("%v%v-%v", local._prefixes["subnet"], var.vpc_full_name, each.value.label))
+    { "Name" = format("%v%v-%v", local._prefixes["subnet"], var.vpc_full_name, each.value.label) },
   )
 }
 
@@ -136,6 +136,6 @@ resource "aws_subnet" "private" {
     local.base_tags,
     var.tags,
     each.value.tags,
-    map("Name", format("%v%v-%v", local._prefixes["subnet"], var.vpc_full_name, each.value.label))
+    { "Name" = format("%v%v-%v", local._prefixes["subnet"], var.vpc_full_name, each.value.label) },
   )
 }
diff --git a/vpc/README.md b/vpc/README.md
index b90e2ec..bd86305 100644
--- a/vpc/README.md
+++ b/vpc/README.md
@@ -29,13 +29,20 @@ module "vpc" {
 
 ## Requirements
 
-No requirements.
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.66.0 |
+| <a name="requirement_ldap"></a> [ldap](#requirement\_ldap) | >= 0.5.4 |
+| <a name="requirement_null"></a> [null](#requirement\_null) | >= 3.0 |
+| <a name="requirement_random"></a> [random](#requirement\_random) | >= 3.0 |
+| <a name="requirement_template"></a> [template](#requirement\_template) | >= 2.0 |
 
 ## 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/vpc/main.tf b/vpc/main.tf
index 61c8bd3..dc1db82 100644
--- a/vpc/main.tf
+++ b/vpc/main.tf
@@ -54,7 +54,7 @@ resource "aws_vpc_dhcp_options" "vpc" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", format("%v-dhcp-options", var.vpc_full_name)),
+    { "Name" = format("%v-dhcp-options", var.vpc_full_name) },
   )
 }
 
@@ -74,7 +74,7 @@ resource "aws_vpc" "vpc" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", var.vpc_full_name),
+    { "Name" = var.vpc_full_name },
   )
 }
 
@@ -87,6 +87,6 @@ resource "aws_default_route_table" "vpc" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", format("default-%v%v", local._prefixes["route-table"], var.vpc_full_name))
+    { "Name" = format("default-%v%v", local._prefixes["route-table"], var.vpc_full_name) },
   )
 }
diff --git a/vpn/README.md b/vpn/README.md
index bc6857e..d377ec8 100644
--- a/vpn/README.md
+++ b/vpn/README.md
@@ -41,7 +41,9 @@ module "vpn" {
 
 | Name | Version |
 |------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.66.0 |
+| <a name="requirement_ldap"></a> [ldap](#requirement\_ldap) | >= 0.5.4 |
 | <a name="requirement_null"></a> [null](#requirement\_null) | >= 3.0 |
 | <a name="requirement_random"></a> [random](#requirement\_random) | >= 3.0 |
 | <a name="requirement_template"></a> [template](#requirement\_template) | >= 2.0 |
diff --git a/vpn/main.tf b/vpn/main.tf
index 0fca4bf..2d05977 100644
--- a/vpn/main.tf
+++ b/vpn/main.tf
@@ -56,7 +56,7 @@ locals {
     "boc:created_by"        = "terraform"
   }
 
-  vpn_gateway = element(concat(aws_vpn_gateway.vpn[*].id, list("")), 0)
+  vpn_gateway = element(concat(aws_vpn_gateway.vpn[*].id, []), 0)
 }
 
 
@@ -70,7 +70,7 @@ resource "aws_vpn_gateway" "vpn" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", format("%v%v", local._prefixes["vpn-gateway"], var.vpc_full_name))
+    { "Name" = format("%v%v", local._prefixes["vpn-gateway"], var.vpc_full_name) },
   )
 }
 
@@ -92,7 +92,7 @@ resource "aws_customer_gateway" "vpn" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", format("%v%v-%v", local._prefixes["customer-gateway"], each.key, var.vpc_full_name)),
+    { "Name" = format("%v%v-%v", local._prefixes["customer-gateway"], each.key, var.vpc_full_name) },
   )
 }
 
@@ -124,7 +124,7 @@ resource "aws_vpn_connection" "vpn" {
   tags = merge(
     local.base_tags,
     var.tags,
-    map("Name", format("%v%v-%v", local._prefixes["vpn-connection"], each.key, var.vpc_full_name))
+    { "Name" = format("%v%v-%v", local._prefixes["vpn-connection"], each.key, var.vpc_full_name) },
   )
 }