diff --git a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/IntegrationRuntime.json b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/IntegrationRuntime.json
index 2a715c43cba2..9f445201e303 100644
--- a/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/IntegrationRuntime.json
+++ b/specification/datafactory/resource-manager/Microsoft.DataFactory/stable/2018-06-01/entityTypes/IntegrationRuntime.json
@@ -120,6 +120,14 @@
         "subnet": {
           "description": "The name of the subnet this integration runtime will join.",
           "type": "string"
+        },
+        "publicIPs": {
+          "description": "Resource IDs of the public IP addresses that this integration runtime will use.",
+          "type": "array",
+          "items": {
+            "type": "string",
+            "description": "The ID of the public IP address."
+          }
         }
       },
       "additionalProperties": {