diff --git a/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.Authorizations.ApiKeyInHeader.g.cs b/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.Authorizations.ApiKeyInHeader.g.cs
index 1a6e8cc..566c7ec 100644
--- a/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.Authorizations.ApiKeyInHeader.g.cs
+++ b/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.Authorizations.ApiKeyInHeader.g.cs
@@ -5,10 +5,7 @@ namespace Anthropic
 {
     public sealed partial class AnthropicClient
     {
-        /// <summary>
-        /// Authorize using ApiKey authentication.
-        /// </summary>
-        /// <param name="apiKey"></param>
+        /// <inheritdoc/>
         public void AuthorizeUsingApiKeyInHeader(
             string apiKey)
         {
diff --git a/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.CreateMessage.g.cs b/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.CreateMessage.g.cs
index 50d04c2..0f95fc9 100644
--- a/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.CreateMessage.g.cs
+++ b/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.CreateMessage.g.cs
@@ -50,6 +50,10 @@ partial void ProcessCreateMessageResponseContent(
             using var __httpRequest = new global::System.Net.Http.HttpRequestMessage(
                 method: global::System.Net.Http.HttpMethod.Post,
                 requestUri: new global::System.Uri(__path, global::System.UriKind.RelativeOrAbsolute));
+#if NET6_0_OR_GREATER
+            __httpRequest.Version = global::System.Net.HttpVersion.Version11;
+            __httpRequest.VersionPolicy = global::System.Net.Http.HttpVersionPolicy.RequestVersionOrHigher;
+#endif
 
             foreach (var __authorization in Authorizations)
             {
diff --git a/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.CreateMessageBatch.g.cs b/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.CreateMessageBatch.g.cs
index ea2b510..4235691 100644
--- a/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.CreateMessageBatch.g.cs
+++ b/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.CreateMessageBatch.g.cs
@@ -47,6 +47,10 @@ partial void ProcessCreateMessageBatchResponseContent(
             using var __httpRequest = new global::System.Net.Http.HttpRequestMessage(
                 method: global::System.Net.Http.HttpMethod.Post,
                 requestUri: new global::System.Uri(__path, global::System.UriKind.RelativeOrAbsolute));
+#if NET6_0_OR_GREATER
+            __httpRequest.Version = global::System.Net.HttpVersion.Version11;
+            __httpRequest.VersionPolicy = global::System.Net.Http.HttpVersionPolicy.RequestVersionOrHigher;
+#endif
 
             foreach (var __authorization in Authorizations)
             {
diff --git a/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.RetrieveMessageBatch.g.cs b/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.RetrieveMessageBatch.g.cs
index 655b11f..7dece9d 100644
--- a/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.RetrieveMessageBatch.g.cs
+++ b/src/libs/Anthropic/Generated/Anthropic.AnthropicClient.RetrieveMessageBatch.g.cs
@@ -47,6 +47,10 @@ partial void ProcessRetrieveMessageBatchResponseContent(
             using var __httpRequest = new global::System.Net.Http.HttpRequestMessage(
                 method: global::System.Net.Http.HttpMethod.Get,
                 requestUri: new global::System.Uri(__path, global::System.UriKind.RelativeOrAbsolute));
+#if NET6_0_OR_GREATER
+            __httpRequest.Version = global::System.Net.HttpVersion.Version11;
+            __httpRequest.VersionPolicy = global::System.Net.Http.HttpVersionPolicy.RequestVersionOrHigher;
+#endif
 
             foreach (var __authorization in Authorizations)
             {
diff --git a/src/libs/Anthropic/Generated/Anthropic.IAnthropicClient.Authorizations.ApiKeyInHeader.g.cs b/src/libs/Anthropic/Generated/Anthropic.IAnthropicClient.Authorizations.ApiKeyInHeader.g.cs
new file mode 100644
index 0000000..2f9872f
--- /dev/null
+++ b/src/libs/Anthropic/Generated/Anthropic.IAnthropicClient.Authorizations.ApiKeyInHeader.g.cs
@@ -0,0 +1,15 @@
+
+#nullable enable
+
+namespace Anthropic
+{
+    public partial interface IAnthropicClient
+    {
+        /// <summary>
+        /// Authorize using ApiKey authentication.
+        /// </summary>
+        /// <param name="apiKey"></param>
+        public void AuthorizeUsingApiKeyInHeader(
+            string apiKey);
+    }
+}
\ No newline at end of file