diff --git a/OpenAI/Packages/com.openai.unity/Runtime/Chat/ChatRequest.cs b/OpenAI/Packages/com.openai.unity/Runtime/Chat/ChatRequest.cs
index b0f4458..bbc7040 100644
--- a/OpenAI/Packages/com.openai.unity/Runtime/Chat/ChatRequest.cs
+++ b/OpenAI/Packages/com.openai.unity/Runtime/Chat/ChatRequest.cs
@@ -193,7 +193,7 @@ public ChatRequest(
             }
             else
             {
-                Modalities = Modality.Text;
+                Modalities = Modality.Text & Modality.Audio;
             }
 
             FrequencyPenalty = frequencyPenalty;
@@ -302,8 +302,7 @@ public ChatRequest(
         /// The maximum number of tokens allowed for the generated answer.
         /// By default, the number of tokens the model can return will be (4096 - prompt tokens).
         /// </summary>
-        [Preserve]
-        [JsonProperty("max_tokens")]
+        [JsonIgnore]
         [Obsolete("Use MaxCompletionTokens instead")]
         public int? MaxTokens { get; }
 
diff --git a/OpenAI/Packages/com.openai.unity/package.json b/OpenAI/Packages/com.openai.unity/package.json
index 8766531..d911d49 100644
--- a/OpenAI/Packages/com.openai.unity/package.json
+++ b/OpenAI/Packages/com.openai.unity/package.json
@@ -3,7 +3,7 @@
   "displayName": "OpenAI",
   "description": "A OpenAI package for the Unity Game Engine to use GPT-4, GPT-3.5, GPT-3 and Dall-E though their RESTful API (currently in beta).\n\nIndependently developed, this is not an official library and I am not affiliated with OpenAI.\n\nAn OpenAI API account is required.",
   "keywords": [],
-  "version": "8.4.0",
+  "version": "8.4.1",
   "unity": "2021.3",
   "documentationUrl": "https://github.com/RageAgainstThePixel/com.openai.unity#documentation",
   "changelogUrl": "https://github.com/RageAgainstThePixel/com.openai.unity/releases",