diff --git a/variables.tf b/variables.tf
index ac27fe9..5e5883b 100644
--- a/variables.tf
+++ b/variables.tf
@@ -102,6 +102,6 @@ variable "tags" {
 
 variable "auth_token" {
   default     = null
-  type        = number
+  type        = string
   description = "Access token for CLI."
 }