diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/vmssNetworkInterface.json b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/vmssNetworkInterface.json
index 89562aa3062c..c1ad2253ac83 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/vmssNetworkInterface.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/vmssNetworkInterface.json
@@ -3,7 +3,7 @@
   "info": {
     "title": "NetworkManagementClient",
     "description": "The Microsoft Azure Network management API provides a RESTful set of web services that interact with Microsoft Azure Networks service to manage your network resources. The API has entities that capture the relationship between an end user and the Microsoft Azure Networks service.",
-    "version": "2018-10-01"
+    "version": "2021-08-01"
   },
   "host": "management.azure.com",
   "schemes": [
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/vmssPublicIpAddress.json b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/vmssPublicIpAddress.json
index d100152e7711..799fe7f297e6 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/vmssPublicIpAddress.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2021-08-01/vmssPublicIpAddress.json
@@ -3,7 +3,7 @@
   "info": {
     "title": "NetworkManagementClient",
     "description": "The Microsoft Azure Network management API provides a RESTful set of web services that interact with Microsoft Azure Networks service to manage your network resources. The API has entities that capture the relationship between an end user and the Microsoft Azure Networks service.",
-    "version": "2018-10-01"
+    "version": "2021-08-01"
   },
   "host": "management.azure.com",
   "schemes": [