diff --git a/specification/web/resource-manager/Microsoft.Web/AppService/stable/2025-03-01/WebApps.json b/specification/web/resource-manager/Microsoft.Web/AppService/stable/2025-03-01/WebApps.json
index e740d0a3096c..49fe7ad32822 100644
--- a/specification/web/resource-manager/Microsoft.Web/AppService/stable/2025-03-01/WebApps.json
+++ b/specification/web/resource-manager/Microsoft.Web/AppService/stable/2025-03-01/WebApps.json
@@ -29357,6 +29357,10 @@
               "readOnly": true,
               "example": "00000000-0000-0000-0000-000000000000"
             },
+            "publicNetworkAccess": {
+              "description": "Property to allow or block all public traffic. Allowed Values: 'Enabled', 'Disabled' or an empty string.",
+              "type": "string"
+            },
             "storageAccountRequired": {
               "description": "Checks if Customer provided storage account is required",
               "type": "boolean"