diff --git a/tests/create_pcx/main.tf b/tests/create_pcx/main.tf
index 8d3c3c2..e0ca577 100644
--- a/tests/create_pcx/main.tf
+++ b/tests/create_pcx/main.tf
@@ -19,7 +19,7 @@ module "create_pcx" {
 }
 
 module "vpc_pcx_requester" {
-  source = "github.com/terraform-aws-modules/terraform-aws-vpc?ref=v5.15.0"
+  source = "github.com/terraform-aws-modules/terraform-aws-vpc?ref=v5.16.0"
 
   name = "tardigrade-pcx-requester-${random_string.this.result}"
   cidr = "10.0.0.0/16"