diff --git a/specification/graphrbac/data-plane/Microsoft.GraphRbac/stable/1.6/graphrbac.json b/specification/graphrbac/data-plane/Microsoft.GraphRbac/stable/1.6/graphrbac.json
index 0f37cedc745e..fbf09ab9da2a 100644
--- a/specification/graphrbac/data-plane/Microsoft.GraphRbac/stable/1.6/graphrbac.json
+++ b/specification/graphrbac/data-plane/Microsoft.GraphRbac/stable/1.6/graphrbac.json
@@ -4097,6 +4097,10 @@
         "mailNickname": {
           "type": "string",
           "description": "The mail alias for the user."
+        },
+        "mail": {
+          "type": "string",
+          "description": "The primary email address of the user."
         }
       },
       "description": "Request parameters for updating an existing work or school account user."