diff --git a/examples/single_scope_ipv4/versions.tf b/examples/single_scope_ipv4/versions.tf
index 60d3359..7f884e2 100644
--- a/examples/single_scope_ipv4/versions.tf
+++ b/examples/single_scope_ipv4/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 0.15.0"
+  required_version = ">= 1.3.0"
   required_providers {
     aws = {
       source  = "hashicorp/aws"
diff --git a/modules/sub_pool/main.tf b/modules/sub_pool/main.tf
index de4defc..592d1e1 100644
--- a/modules/sub_pool/main.tf
+++ b/modules/sub_pool/main.tf
@@ -1,11 +1,11 @@
 locals {
   description = var.pool_config.description == null ? var.implied_description : var.pool_config.description
-  
+
   name = var.pool_config.name == null ? var.implied_name : var.pool_config.name
   tags = merge(var.pool_config.tags, {
     Name = local.name }
   )
-  
+
   ram_share_enabled = try(length(var.pool_config.ram_share_principals), 0) > 0
 }
 
diff --git a/modules/sub_pool/versions.tf b/modules/sub_pool/versions.tf
index 1eb3fce..7f884e2 100644
--- a/modules/sub_pool/versions.tf
+++ b/modules/sub_pool/versions.tf
@@ -1,6 +1,5 @@
 terraform {
-  required_version = ">= 0.15.0"
-  experiments      = [module_variable_optional_attrs]
+  required_version = ">= 1.3.0"
   required_providers {
     aws = {
       source  = "hashicorp/aws"
diff --git a/versions.tf b/versions.tf
index 1eb3fce..7f884e2 100644
--- a/versions.tf
+++ b/versions.tf
@@ -1,6 +1,5 @@
 terraform {
-  required_version = ">= 0.15.0"
-  experiments      = [module_variable_optional_attrs]
+  required_version = ">= 1.3.0"
   required_providers {
     aws = {
       source  = "hashicorp/aws"