diff --git a/.secrets.baseline b/.secrets.baseline
index 9e31a9d60..45f86e6a2 100644
--- a/.secrets.baseline
+++ b/.secrets.baseline
@@ -7601,9 +7601,9 @@
         "filename": "qa-prometheus.planx-pla.net/metadata/aggregate_config.json",
         "hashed_secret": "39b47b995efe827977ba24921d94df23ba197a00",
         "is_verified": false,
-        "line_number": 511
+        "line_number": 512
       }
     ]
   },
-  "generated_at": "2025-06-27T17:16:14Z"
+  "generated_at": "2025-06-30T15:24:51Z"
 }
diff --git a/qa-prometheus.planx-pla.net/metadata/aggregate_config.json b/qa-prometheus.planx-pla.net/metadata/aggregate_config.json
index d6e5b643c..6d06fadd6 100644
--- a/qa-prometheus.planx-pla.net/metadata/aggregate_config.json
+++ b/qa-prometheus.planx-pla.net/metadata/aggregate_config.json
@@ -34,6 +34,7 @@
       "disease_type": {},
       "primary_site": {},
       "authz": {},
+      "is_synthetic": {},
       "subject_id": {},
       "subject_id_list" : {
         "type": "array",