diff --git a/terragrunt/modules/ecs/templates/task-definitions/organisation-app.json.tftpl b/terragrunt/modules/ecs/templates/task-definitions/organisation-app.json.tftpl
index 2949e7b31..46d722b45 100644
--- a/terragrunt/modules/ecs/templates/task-definitions/organisation-app.json.tftpl
+++ b/terragrunt/modules/ecs/templates/task-definitions/organisation-app.json.tftpl
@@ -34,7 +34,8 @@
         {"name": "OrganisationService", "value": "https://organisation.${public_hosted_zone_fqdn}"},
         {"name": "Organisation__Authority", "value": "https://authority.${public_hosted_zone_fqdn}"},
         {"name": "PersonService", "value": "https://person.${public_hosted_zone_fqdn}"},
-        {"name": "TenantService", "value": "https://tenant.${public_hosted_zone_fqdn}"}
+        {"name": "TenantService", "value": "https://tenant.${public_hosted_zone_fqdn}"},
+        {"name": "VERSION", "value": "${service_version}"}
     ],
     "secrets": [
         {"name": "CompaniesHouse__Password", "valueFrom": "${companies_house_password}"},