diff --git a/specification/cdn/resource-manager/Microsoft.Cdn/stable/2017-10-12/cdn.json b/specification/cdn/resource-manager/Microsoft.Cdn/stable/2017-10-12/cdn.json
index 35d357be3794..2ed3b6583119 100644
--- a/specification/cdn/resource-manager/Microsoft.Cdn/stable/2017-10-12/cdn.json
+++ b/specification/cdn/resource-manager/Microsoft.Cdn/stable/2017-10-12/cdn.json
@@ -3158,7 +3158,8 @@
             "Premium_Verizon",
             "Custom_Verizon",
             "Standard_Akamai",
-            "Standard_ChinaCdn"
+            "Standard_ChinaCdn",
+            "Standard_Microsoft"
           ],
           "type": "string",
           "x-ms-enum": {