diff --git a/terraform/config_development.tfvars b/terraform/config_development.tfvars
index adaf5800..4bc6ec97 100644
--- a/terraform/config_development.tfvars
+++ b/terraform/config_development.tfvars
@@ -1,6 +1,6 @@
 region        = "eu-west-2"
 environment   = "development"
-base_domain   = "transformtariff.co.uk"
+base_domain   = "dev.trade-tariff.service.gov.uk"
 cpu           = 1024
 memory        = 2048
 service_count = 2
diff --git a/terraform/config_staging.tfvars b/terraform/config_staging.tfvars
index d37b7551..5c72de48 100644
--- a/terraform/config_staging.tfvars
+++ b/terraform/config_staging.tfvars
@@ -1,6 +1,6 @@
 region        = "eu-west-2"
 environment   = "staging"
-base_domain   = "ott-staging.co.uk"
+base_domain   = "staging.trade-tariff.service.gov.uk"
 cpu           = 1024
 memory        = 2048
 service_count = 3