diff --git a/specification/automation/resource-manager/Microsoft.Automation/stable/2015-10-31/definitions.json b/specification/automation/resource-manager/Microsoft.Automation/stable/2015-10-31/definitions.json
index 0d474b2e619f..0b0a927322ad 100644
--- a/specification/automation/resource-manager/Microsoft.Automation/stable/2015-10-31/definitions.json
+++ b/specification/automation/resource-manager/Microsoft.Automation/stable/2015-10-31/definitions.json
@@ -1423,6 +1423,27 @@
       ],
       "description": "The parameters supplied to the create or update configuration operation."
     },
+    "DscConfigurationUpdateParameters": {
+      "properties": {
+        "properties": {
+          "$ref": "#/definitions/DscConfigurationCreateOrUpdateProperties",
+          "x-ms-client-flatten": true,
+          "description": "Gets or sets configuration create or update properties."
+        },
+        "name": {
+          "type": "string",
+          "description": "Gets or sets name of the resource."
+        },
+        "tags": {
+          "type": "object",
+          "additionalProperties": {
+            "type": "string"
+          },
+          "description": "Gets or sets the tags attached to the resource."
+        }
+      },
+      "description": "The parameters supplied to the create or update configuration operation."
+    },
     "DscMetaConfiguration": {
       "properties": {
         "configurationModeFrequencyMins": {
diff --git a/specification/automation/resource-manager/Microsoft.Automation/stable/2015-10-31/dscConfiguration.json b/specification/automation/resource-manager/Microsoft.Automation/stable/2015-10-31/dscConfiguration.json
index 11043b7a0d59..cb9f8f22bc3b 100644
--- a/specification/automation/resource-manager/Microsoft.Automation/stable/2015-10-31/dscConfiguration.json
+++ b/specification/automation/resource-manager/Microsoft.Automation/stable/2015-10-31/dscConfiguration.json
@@ -212,6 +212,68 @@
             }
           }
         }
+      },
+      "patch": {
+        "tags": [
+          "DscConfiguration"
+        ],
+        "operationId": "DscConfiguration_Update",
+        "description": "Create the configuration identified by configuration name.",
+        "externalDocs": {
+          "url": "http://aka.ms/azureautomationsdk/configurationoperations"
+        },
+        "x-ms-examples": {
+          "Create or Update Configuration": {
+            "$ref": "./examples/updateDscConfiguration.json"
+          }
+        },
+        "parameters": [
+          {
+            "$ref": "./definitions.json#/parameters/ResourceGroupNameParameter"
+          },
+          {
+            "name": "automationAccountName",
+            "in": "path",
+            "required": true,
+            "type": "string",
+            "description": "The automation account name."
+          },
+          {
+            "name": "configurationName",
+            "in": "path",
+            "required": true,
+            "type": "string",
+            "description": "The create or update parameters for configuration."
+          },
+          {
+            "name": "parameters",
+            "in": "body",
+            "schema": {
+              "$ref": "./definitions.json#/definitions/DscConfigurationUpdateParameters"
+            },
+            "description": "The create or update parameters for configuration."
+          },
+          {
+            "$ref": "./definitions.json#/parameters/SubscriptionIdParameter"
+          },
+          {
+            "$ref": "./definitions.json#/parameters/ApiVersionParameter"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "OK",
+            "schema": {
+              "$ref": "./definitions.json#/definitions/DscConfiguration"
+            }
+          },
+          "default": {
+            "description": "Automation error response describing why the operation failed.",
+            "schema": {
+              "$ref": "./definitions.json#/definitions/ErrorResponse"
+            }
+          }
+        }
       }
     },
     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Automation/automationAccounts/{automationAccountName}/configurations/{configurationName}/content": {
diff --git a/specification/automation/resource-manager/Microsoft.Automation/stable/2015-10-31/examples/updateDscConfiguration.json b/specification/automation/resource-manager/Microsoft.Automation/stable/2015-10-31/examples/updateDscConfiguration.json
new file mode 100644
index 000000000000..d2903cb94e53
--- /dev/null
+++ b/specification/automation/resource-manager/Microsoft.Automation/stable/2015-10-31/examples/updateDscConfiguration.json
@@ -0,0 +1,40 @@
+{
+  "parameters": {
+    "subscriptionId": "subid",
+    "resourceGroupName": "rg",
+    "automationAccountName": "myAutomationAccount18",
+    "configurationName": "SetupServer",
+    "api-version": "2015-10-31",
+    "parameters": {
+      "name": "SetupServer",
+      "tags": {
+        "Hello": "World"
+      }
+    }
+  },
+  "responses": {
+    "200": {
+      "headers": {},
+      "body": {
+        "id": "/subscriptions/subid/resourceGroups/rg/providers/Microsoft.Automation/automationAccounts/myAutomationAccount33/configurations/SetupServer",
+        "name": "SetupServer",
+        "type": "Microsoft.Automation/AutomationAccounts/Configurations",
+        "location": "eastus2",
+        "tags": {
+          "Hello": "World"
+        },
+        "etag": "\"636572843399170000\"",
+        "properties": {
+          "provisioningState": "Succeeded",
+          "jobCount": 0,
+          "parameters": {},
+          "description": "sample configuration",
+          "state": null,
+          "creationTime": "0001-01-01T00:00:00+00:00",
+          "lastModifiedTime": "0001-01-01T00:00:00+00:00",
+          "logVerbose": false
+        }
+      }
+    }
+  }
+}
\ No newline at end of file