diff --git a/charts/prl-citizen-frontend/values.preview.template.yaml b/charts/prl-citizen-frontend/values.preview.template.yaml
index 7379abd31..b4f4d29ad 100644
--- a/charts/prl-citizen-frontend/values.preview.template.yaml
+++ b/charts/prl-citizen-frontend/values.preview.template.yaml
@@ -18,9 +18,9 @@ nodejs:
     IDAM_WEB_URL: 'https://idam-web-public.{{ .Values.global.environment }}.platform.hmcts.net/login'
     IDAM_API_URL: 'https://idam-api.{{ .Values.global.environment }}.platform.hmcts.net/o/token'
     EQUALITY_URL: 'https://pcq.aat.platform.hmcts.net'
-    CCD_URL: 'http://ccd-data-store-api-aat.service.core-compute-aat.internal'
-    DOCUMENT_MANAGEMENT_URL: 'http://ccd-case-document-am-api-aat.service.core-compute-aat.internal'
-    COS_URL: 'http://prl-cos-aat.service.core-compute-aat.internal'
+    CCD_URL: 'https://ccd-data-store-api-prl-ccd-definitions-pr-2547.preview.platform.hmcts.net'
+    DOCUMENT_MANAGEMENT_URL: 'https://ccd-case-document-am-api-prl-ccd-definitions-pr-2547.preview.platform.hmcts.net'
+    COS_URL: 'https://prl-cos-pr-2927.preview.platform.hmcts.net'
     REASONABLE_ADJUSTMENTS: 'https://cui-ra.aat.platform.hmcts.net'
     FACT_URL: 'http://fact-api-aat.service.core-compute-aat.internal'
     REDIS_HOST: 'prl-citizen-frontend-secondary-redis-{{ .Values.global.environment }}.redis.cache.windows.net'