diff --git a/variables.tf b/variables.tf
index 87ebb55..d2b467a 100644
--- a/variables.tf
+++ b/variables.tf
@@ -34,7 +34,7 @@ variable "ssh_user" {
 
 variable "stack_name" {
   description = "Elastic Beanstalk stack, e.g. Docker, Go, Node, Java, IIS."
-  default     = "64bit Amazon Linux 2018.03 v4.12.0 running Node.js"
+  default     = "64bit Amazon Linux 2018.03 v4.17.3 running Node.js"
   /* http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/concepts.platforms.html */
 }