diff --git a/environments/root.hcl b/environments/root.hcl
index 321d6a6..b156492 100644
--- a/environments/root.hcl
+++ b/environments/root.hcl
@@ -3,7 +3,7 @@ generate "backend" {
   if_exists = "overwrite"
   contents  = <<EOF
 provider "rancher2" {
-  api_url   = "https://${path_relative_to_include()}"
+  api_url   = var.rancher_url
   token_key = var.rancher_token
 }
 
@@ -20,6 +20,13 @@ variable "rancher_token" {
   sensitive = true
 }
 
+# Defaults to the environment's public URL; an exported TF_VAR_rancher_url
+# takes precedence over terragrunt inputs.
+variable "rancher_url" {
+  type    = string
+  default = "https://${path_relative_to_include()}"
+}
+
 terraform {
   backend "consul" {
     address = "https://consul.service.consul"
diff --git a/modules/rancher/versions.tf b/modules/rancher/versions.tf
index cd6adc2..9f55cce 100644
--- a/modules/rancher/versions.tf
+++ b/modules/rancher/versions.tf
@@ -3,7 +3,7 @@ terraform {
   required_providers {
     rancher2 = {
       source  = "rancher/rancher2"
-      version = ">= 5.0.0"
+      version = "~> 14.0"
     }
     vault = {
       source  = "hashicorp/vault"