diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
index b3bd70ab2051..8e8356c82b5c 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/LinkedService.json
@@ -4641,6 +4641,10 @@
     "SquareLinkedServiceTypeProperties": {
       "description": "Square Service linked service properties.",
       "properties": {
+        "connectionProperties": {
+          "description": "Properties used to connect to Square. It is mutually exclusive with any other properties in the linked service. Type: object.",
+          "type": "object"
+        },
         "host": {
           "description": "The URL of the Square instance. (i.e. mystore.mysquare.com)",
           "type": "object"
@@ -4673,12 +4677,7 @@
           "description": "The encrypted credential used for authentication. Credentials are encrypted using the integration runtime credential manager. Type: string (or Expression with resultType string).",
           "type": "object"
         }
-      },
-      "required": [
-        "host",
-        "clientId",
-        "redirectUri"
-      ]
+      }
     },
     "XeroLinkedService": {
       "x-ms-discriminator-value": "Xero",