diff --git a/tests/existing-resources/main.tf b/tests/existing-resources/main.tf
index 05d70afa..d586d8e9 100644
--- a/tests/existing-resources/main.tf
+++ b/tests/existing-resources/main.tf
@@ -33,7 +33,7 @@ resource "ibm_is_subnet" "testacc_subnet" {
 module "postgresql_db" {
   count               = var.create_db ? 1 : 0
   source              = "terraform-ibm-modules/icd-postgresql/ibm"
-  version             = "4.10.4"
+  version             = "4.10.5"
   resource_group_id   = module.resource_group.resource_group_id
   name                = "${var.prefix}-vpe-pg"
   region              = var.region