diff --git a/static/redfish/v1/JsonSchemas/Chassis/Chassis.json b/static/redfish/v1/JsonSchemas/Chassis/Chassis.json
index dbf6be8..15490ae 100644
--- a/static/redfish/v1/JsonSchemas/Chassis/Chassis.json
+++ b/static/redfish/v1/JsonSchemas/Chassis/Chassis.json
@@ -1,5 +1,5 @@
 {
-    "$id": "http://redfish.dmtf.org/schemas/v1/Chassis.v1_17_0.json",
+    "$id": "http://redfish.dmtf.org/schemas/v1/Chassis.v1_18_0.json",
     "$ref": "#/definitions/Chassis",
     "$schema": "http://redfish.dmtf.org/schemas/v1/redfish-schema-v1.json",
     "copyright": "Copyright 2014-2021 DMTF. For the full DMTF copyright policy, see http://www.dmtf.org/about/policies/copyright",
@@ -135,6 +135,33 @@
                     "longDescription": "This property shall contain a link to a resource collection of type DriveCollection.",
                     "versionAdded": "v1_14_0"
                 },
+                "ElectricalSourceManagerURIs": {
+                    "description": "The URIs of the management interfaces for the upstream electrical source connections for this chassis.",
+                    "format": "uri-reference",
+                    "items": {
+                        "type": [
+                            "string",
+                            "null"
+                        ]
+                    },
+                    "longDescription": "This property shall contain an array of URIs to the management applications or devices that provide monitoring or control of the upstream electrical sources that provide power to this chassis.",
+                    "readonly": false,
+                    "type": "array",
+                    "versionAdded": "v1_18_0"
+                },
+                "ElectricalSourceNames": {
+                    "description": "The names of the upstream electrical sources, such as circuits or outlets, connected to this chassis.",
+                    "items": {
+                        "type": [
+                            "string",
+                            "null"
+                        ]
+                    },
+                    "longDescription": "This property shall contain an arrays of strings that identify the upstream electrical sources, such as the names of circuits or outlets, that provide power to this chassis.",
+                    "readonly": false,
+                    "type": "array",
+                    "versionAdded": "v1_18_0"
+                },
                 "EnvironmentMetrics": {
                     "$ref": "http://redfish.dmtf.org/schemas/v1/EnvironmentMetrics.json#/definitions/EnvironmentMetrics",
                     "description": "The link to the environment metrics for this chassis.",
@@ -720,6 +747,19 @@
                 "PCIeDevices@odata.count": {
                     "$ref": "http://redfish.dmtf.org/schemas/v1/odata-v4.json#/definitions/count"
                 },
+                "PowerOutlets": {
+                    "description": "An array of links to the outlets that provide power to this chassis.",
+                    "items": {
+                        "$ref": "http://redfish.dmtf.org/schemas/v1/Outlet.json#/definitions/Outlet"
+                    },
+                    "longDescription": "This property shall contain an array of links to resources of type Outlet that represent the outlets that provide power to this chassis.",
+                    "readonly": false,
+                    "type": "array",
+                    "versionAdded": "v1_18_0"
+                },
+                "PowerOutlets@odata.count": {
+                    "$ref": "http://redfish.dmtf.org/schemas/v1/odata-v4.json#/definitions/count"
+                },
                 "PoweredBy": {
                     "description": "An array of links to resources or objects that power this chassis.  Normally, the link is for either a chassis or a specific set of power supplies.",
                     "items": {
@@ -923,6 +963,6 @@
         }
     },
     "owningEntity": "DMTF",
-    "release": "2021.2",
-    "title": "#Chassis.v1_17_0.Chassis"
+    "release": "2021.3",
+    "title": "#Chassis.v1_18_0.Chassis"
 }
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