diff --git a/static/redfish/v1/JsonSchemas/AccountService/AccountService.json b/static/redfish/v1/JsonSchemas/AccountService/AccountService.json
index cb6c347..468a463 100644
--- a/static/redfish/v1/JsonSchemas/AccountService/AccountService.json
+++ b/static/redfish/v1/JsonSchemas/AccountService/AccountService.json
@@ -1,8 +1,8 @@
 {
-    "$id": "http://redfish.dmtf.org/schemas/v1/AccountService.v1_8_0.json",
+    "$id": "http://redfish.dmtf.org/schemas/v1/AccountService.v1_9_0.json",
     "$ref": "#/definitions/AccountService",
     "$schema": "http://redfish.dmtf.org/schemas/v1/redfish-schema-v1.json",
-    "copyright": "Copyright 2014-2020 DMTF. For the full DMTF copyright policy, see http://www.dmtf.org/about/policies/copyright",
+    "copyright": "Copyright 2014-2021 DMTF. For the full DMTF copyright policy, see http://www.dmtf.org/about/policies/copyright",
     "definitions": {
         "AccountProviderTypes": {
             "enum": [
@@ -180,6 +180,16 @@
                     "description": "The OEM extension property.",
                     "longDescription": "This property shall contain the OEM extensions.  All values for properties that this object contains shall conform to the Redfish Specification-described requirements."
                 },
+                "PasswordExpirationDays": {
+                    "description": "The number of days before account passwords in this account service will expire.",
+                    "longDescription": "This property shall contain the number of days before account passwords in this account service will expire.  The value shall be applied during account creation and password modification unless the PasswordExpiration property is provided.  The value `null` shall indicate that account passwords never expire.  This property does not apply to accounts from external account providers.",
+                    "readonly": false,
+                    "type": [
+                        "integer",
+                        "null"
+                    ],
+                    "versionAdded": "v1_9_0"
+                },
                 "PrivilegeMap": {
                     "$ref": "http://redfish.dmtf.org/schemas/v1/PrivilegeRegistry.json#/definitions/PrivilegeRegistry",
                     "description": "The link to the mapping of the privileges required to complete a requested operation on a URI associated with this service.",
@@ -215,7 +225,7 @@
                 },
                 "ServiceEnabled": {
                     "description": "An indication of whether the account service is enabled.  If `true`, it is enabled.  If `false`, it is disabled and users cannot be created, deleted, or modified, and new sessions cannot be started.  However, established sessions might still continue to run.  Any service, such as the session service, that attempts to access the disabled account service fails.  However, this does not affect HTTP Basic Authentication connections.",
-                    "longDescription": "This property shall indicate whether the account service is enabled.  If `true`, it is enabled.  If `false`, it is disabled and users cannot be created, deleted, or modified, and new sessions cannot be started.  However, established sessions might still continue to run.  Any service, such as the session service, that attempts to access the disabled account service fails.  However, this does not affect HTTP Basic Authentication connections.",
+                    "longDescription": "This property shall indicate whether the account service is enabled.  If `true`, it is enabled.  If `false`, it is disabled and users cannot be created, deleted, or modified, and new sessions cannot be started.  However, established sessions may still continue to run.  Any service, such as the session service, that attempts to access the disabled account service fails.  However, this does not affect HTTP Basic Authentication connections.",
                     "readonly": false,
                     "type": [
                         "boolean",
@@ -533,7 +543,7 @@
                         }
                     ],
                     "description": "The additional information needed to parse a TACACS+ services.",
-                    "longDescription": "This property shall contain additional information needed to parse a TACACS+ services. This property should only be present inside a TACACSplus property.",
+                    "longDescription": "This property shall contain additional information needed to parse a TACACS+ services.  This property should only be present inside a TACACSplus property.",
                     "versionAdded": "v1_8_0"
                 }
             },
@@ -816,6 +826,6 @@
         }
     },
     "owningEntity": "DMTF",
-    "release": "2020.4",
-    "title": "#AccountService.v1_8_0.AccountService"
+    "release": "2021.1",
+    "title": "#AccountService.v1_9_0.AccountService"
 }
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