diff --git a/schemas/questionnaire_v1.json b/schemas/questionnaire_v1.json
index 356dec59..f5f91c92 100755
--- a/schemas/questionnaire_v1.json
+++ b/schemas/questionnaire_v1.json
@@ -76,7 +76,8 @@
         "desnz",
         "desnz-ni",
         "census",
-        "census-nisra"
+        "census-nisra",
+        "ukhsa-ons"
       ]
     },
     "legal_basis": {