diff --git a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2023-04-01-preview/mfe.json b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2023-04-01-preview/mfe.json
index 9d3adcbf75f9..f187354b53bc 100644
--- a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2023-04-01-preview/mfe.json
+++ b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2023-04-01-preview/mfe.json
@@ -23031,6 +23031,7 @@
           "format": "uri",
           "description": "Full SAS Uri, including the storage, container/blob path and SAS token",
           "type": "string",
+          "x-ms-secret": true,
           "x-nullable": true
         }
       },