diff --git a/examples/full-setup-tf-upgrade/versions.tf b/examples/full-setup-tf-upgrade/versions.tf
index e52cfe4..a5721f4 100644
--- a/examples/full-setup-tf-upgrade/versions.tf
+++ b/examples/full-setup-tf-upgrade/versions.tf
@@ -1,12 +1,33 @@
-#terraform {
-#  experiments = [module_variable_optional_attrs]
-#}
-
 terraform {
   required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = ">= 3.0"
+    }
+    ldap = {
+      source  = "trevex/ldap"
+      version = ">= 0.5.4"
+    }
+    external = {
+      source  = "hashicorp/external"
+      version = ">= 1.0"
+    }
+    null = {
+      source  = "hashicorp/null"
+      version = ">= 1.0"
+    }
+    random = {
+      source  = "hashicorp/random"
+      version = ">= 1.0"
+    }
+    template = {
+      source  = "hashicorp/template"
+      version = ">= 1.0"
+    }
     infoblox = {
       source  = "infobloxopen/infoblox"
       version = ">= 2.1.0"
     }
   }
+  required_version = ">= 0.13"
 }