diff --git a/.github/workflows/build-and-deploy.yml b/.github/workflows/build-and-deploy.yml
index 89e627235..174cf5569 100644
--- a/.github/workflows/build-and-deploy.yml
+++ b/.github/workflows/build-and-deploy.yml
@@ -109,7 +109,7 @@ jobs:
           if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then
             DEPLOYMENT_MATRIX="{ 'environment': ['${{ github.event.inputs.environment }}'] }"
           else
-            DEPLOYMENT_MATRIX="{ 'environment': ['dev', 'test', 'preprod'] }"
+            DEPLOYMENT_MATRIX="{ 'environment': ['preprod'] }"
           fi
           echo "deployment_matrix=$DEPLOYMENT_MATRIX" >> $GITHUB_OUTPUT
 
diff --git a/terraform/application/config/test.yml b/terraform/application/config/test.yml
index ed97d539c..c24638d80 100644
--- a/terraform/application/config/test.yml
+++ b/terraform/application/config/test.yml
@@ -1 +1,2 @@
 ---
+EXTERNAL_DOMAIN: test.refer-serious-misconduct.education.gov.uk
diff --git a/terraform/domains/environment_domains/config/test.tfvars.json b/terraform/domains/environment_domains/config/test.tfvars.json
index 49181b0fc..a2b7a2661 100644
--- a/terraform/domains/environment_domains/config/test.tfvars.json
+++ b/terraform/domains/environment_domains/config/test.tfvars.json
@@ -5,7 +5,7 @@
       "resource_group_name": "s189p01-rsm-dom-rg",
       "domains": ["test"],
       "environment_short": "test",
-      "origin_hostname": "s165t01-rsm-test-app.azurewebsites.net"
+      "origin_hostname": "refer-serious-misconduct-test.test.teacherservices.cloud"
     }
   }
 }