diff --git a/quickstart/101-firewall-standard/main.tf b/quickstart/101-firewall-standard/main.tf
index 4e23bb49..b30320d4 100644
--- a/quickstart/101-firewall-standard/main.tf
+++ b/quickstart/101-firewall-standard/main.tf
@@ -1,4 +1,7 @@
 terraform {
+
+  required_version = ">=0.12"
+  
   required_providers {
     azurerm = {
       source  = "hashicorp/azurerm"