diff --git a/sdk/webpubsub/Azure.Messaging.WebPubSub/src/Generated/WebPubSubServiceClient.cs b/sdk/webpubsub/Azure.Messaging.WebPubSub/src/Generated/WebPubSubServiceClient.cs
index dd7948396b82..67e2f77a3d87 100644
--- a/sdk/webpubsub/Azure.Messaging.WebPubSub/src/Generated/WebPubSubServiceClient.cs
+++ b/sdk/webpubsub/Azure.Messaging.WebPubSub/src/Generated/WebPubSubServiceClient.cs
@@ -1813,7 +1813,7 @@ internal HttpMessage CreateAddConnectionToGroupRequest(string group, string conn
             uri.AppendQuery("api-version", _apiVersion, true);
             request.Uri = uri;
             request.Headers.Add("Accept", "application/json, text/json");
-            message.ResponseClassifier = ResponseClassifier200404.Instance;
+            message.ResponseClassifier = ResponseClassifier200.Instance;
             return message;
         }
 
@@ -1943,7 +1943,7 @@ internal HttpMessage CreateAddUserToGroupRequest(string userId, string group, Re
             uri.AppendQuery("api-version", _apiVersion, true);
             request.Uri = uri;
             request.Headers.Add("Accept", "application/json, text/json");
-            message.ResponseClassifier = ResponseClassifier200404.Instance;
+            message.ResponseClassifier = ResponseClassifier200.Instance;
             return message;
         }
 
diff --git a/sdk/webpubsub/Azure.Messaging.WebPubSub/src/autorest.md b/sdk/webpubsub/Azure.Messaging.WebPubSub/src/autorest.md
index 622b0b805514..509092348902 100644
--- a/sdk/webpubsub/Azure.Messaging.WebPubSub/src/autorest.md
+++ b/sdk/webpubsub/Azure.Messaging.WebPubSub/src/autorest.md
@@ -9,7 +9,7 @@ Run `dotnet build /t:GenerateCode` to generate code.
 ``` yaml
 title: WebPubSubServiceClient
 input-file:
-- https://github.com/Azure/azure-rest-api-specs/blob/39c7d63c21b9a29efe3907d9b949d1c77b021907/specification/webpubsub/data-plane/WebPubSub/stable/2021-10-01/webpubsub.json
+- https://github.com/Azure/azure-rest-api-specs/blob/c7484084df2355bf25846558eb15eea585a8be95/specification/webpubsub/data-plane/WebPubSub/stable/2021-10-01/webpubsub.json
 data-plane: true
 credential-types: AzureKeyCredential
 credential-header-name: Ocp-Apim-Subscription-Key