diff --git a/specification/synapse/resource-manager/Microsoft.Synapse/preview/2019-06-01-preview/bigDataPool.json b/specification/synapse/resource-manager/Microsoft.Synapse/preview/2019-06-01-preview/bigDataPool.json
index fd7f5a282891..8fb2bf3d67dd 100644
--- a/specification/synapse/resource-manager/Microsoft.Synapse/preview/2019-06-01-preview/bigDataPool.json
+++ b/specification/synapse/resource-manager/Microsoft.Synapse/preview/2019-06-01-preview/bigDataPool.json
@@ -539,6 +539,16 @@
         "type": {
           "type": "string",
           "description": "Type of the library."
+        },
+        "provisioningStatus": {
+          "readOnly": true,
+          "type": "string",
+          "description": "Provisioning status of the library/package."
+        },
+        "creatorId": {
+          "readOnly": true,
+          "type": "string",
+          "description": "Creator Id of the library/package."
         }
       }
     },