diff --git a/testdata/main.tf b/testdata/main.tf
index ae2eece..07ff925 100644
--- a/testdata/main.tf
+++ b/testdata/main.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = "~> 0.15"
+  required_version = "~> 1.0"
 
   required_providers {
     aws = {