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 e0847097a607..f002e8490c66 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
@@ -7023,6 +7023,25 @@
           "x-ms-format": "dfe-string",
           "description": "The policy id for limiting the ability to configure clusters based on a user defined set of rules. Type: string (or Expression with resultType string)."
         },
+        "newClusterAttributes": {
+          "description": "A set of optional, user-specified cluster attributes key-value pairs.",
+          "type": "object",
+          "additionalProperties": {
+            "type": "object",
+            "x-ms-format": "dfe-string",
+            "description": "Type: string (or Expression with resultType string)."
+          }
+        },
+        "clusterOption": {
+          "type": "object",
+          "x-ms-format": "dfe-string",
+          "description": "Cluster option (Fixed / Autoscaling / Single Node) to enables the cluster nodes to be fixed or automatically scale between the minimum and maximum number of nodes, based on load. Single node clusters consists of a driver but no workers. Type: string (or Expression with resultType string)."
+        },
+        "dataSecurityMode": {
+          "type": "object",
+          "x-ms-format": "dfe-string",
+          "description": "Access mode for data secured in unity catalog. Type: string (or Expression with resultType string)."
+        },
         "credential": {
           "$ref": "../datafactory.json#/definitions/CredentialReference",
           "description": "The credential reference containing authentication information."
diff --git a/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/LinkedService.json b/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/LinkedService.json
index f606a13d52ad..a78bec36d20f 100644
--- a/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/LinkedService.json
+++ b/specification/synapse/data-plane/Microsoft.Synapse/stable/2020-12-01/entityTypes/LinkedService.json
@@ -6454,6 +6454,22 @@
           "type": "object",
           "description": "The policy id for limiting the ability to configure clusters based on a user defined set of rules. Type: string (or Expression with resultType string)."
         },
+        "newClusterAttributes": {
+          "description": "A set of optional, user-specified cluster attributes key-value pairs.",
+          "type": "object",
+          "additionalProperties": {
+            "type": "object",
+            "description": "Type: string (or Expression with resultType string)."
+          }
+        },
+        "clusterOption": {
+          "type": "object",
+          "description": "Cluster option (Fixed / Autoscaling / Single Node) to enables the cluster nodes to be fixed or automatically scale between the minimum and maximum number of nodes, based on load. Single node clusters consists of a driver but no workers. Type: string (or Expression with resultType string)."
+        },
+        "dataSecurityMode": {
+          "type": "object",
+          "description": "Access mode for data secured in unity catalog. Type: string (or Expression with resultType string)."
+        },
         "credential": {
           "$ref": "../artifacts.json#/definitions/CredentialReference",
           "description": "The credential reference containing authentication information."