diff --git a/schemas/2022-03-08-preview/Microsoft.DBforPostgreSQL.json b/schemas/2022-03-08-preview/Microsoft.DBforPostgreSQL.json
index c89883bc16..c7300791fd 100644
--- a/schemas/2022-03-08-preview/Microsoft.DBforPostgreSQL.json
+++ b/schemas/2022-03-08-preview/Microsoft.DBforPostgreSQL.json
@@ -900,6 +900,7 @@
             {
               "type": "string",
               "enum": [
+                "None",
                 "Primary",
                 "Secondary",
                 "WalReplica",