diff --git a/cas_validator/main.tf b/cas_validator/main.tf
index adb6e0d..29e6c30 100644
--- a/cas_validator/main.tf
+++ b/cas_validator/main.tf
@@ -7,15 +7,17 @@ terraform {
     }
   }
 
+  required_version = "= 1.9.6"
+
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = "~> 4.0"
+      version = "~> 5.0"
     }
 
     cloudflare = {
       source  = "cloudflare/cloudflare"
-      version = "~> 3.0"
+      version = "~> 4.0"
     }
   }
 }