diff --git a/terraform/application/application.tf b/terraform/application/application.tf
index d4afd87ec6..d3cda78715 100644
--- a/terraform/application/application.tf
+++ b/terraform/application/application.tf
@@ -17,9 +17,12 @@ module "application_configuration" {
       PGSSLMODE          = local.postgres_ssl_mode
       CANONICAL_HOSTNAME = local.canonical_hostname
   })
-  secret_variables = {
-    DATABASE_URL = module.postgres.url
-  }
+  secret_variables = merge(
+    {
+      DATABASE_URL         = module.postgres.url
+      HEARTBEAT_CHECK_URLS = join(",", values(module.statuscake[0].heartbeat_check_urls))
+    }
+  )
 }
 
 module "web_application" {
diff --git a/terraform/application/config/review_Terrafile b/terraform/application/config/review_Terrafile
index 65af53b11d..b4c222c13d 100644
--- a/terraform/application/config/review_Terrafile
+++ b/terraform/application/config/review_Terrafile
@@ -1,3 +1,3 @@
 aks:
     source:  "https://github.com/DFE-Digital/terraform-modules"
-    version: "main"
+    version: "testing"
diff --git a/terraform/application/statuscake.tf b/terraform/application/statuscake.tf
index be1b3f03ef..195870ebaa 100644
--- a/terraform/application/statuscake.tf
+++ b/terraform/application/statuscake.tf
@@ -7,4 +7,6 @@ module "statuscake" {
   ssl_urls    = compact([var.external_url])
 
   contact_groups = var.statuscake_contact_groups
+
+  heartbeat_names  = ["heartbeat-check"]
 }