diff --git a/package.json b/package.json
index 0cbd0b7..fcf3468 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "assemblyai",
-  "version": "4.14.2",
+  "version": "4.15.0",
   "description": "The AssemblyAI JavaScript SDK provides an easy-to-use interface for interacting with the AssemblyAI API, which supports async and real-time transcription, as well as the latest LeMUR models.",
   "engines": {
     "node": ">=18"
diff --git a/src/types/openapi.generated.ts b/src/types/openapi.generated.ts
index 70b43a5..5225fd5 100644
--- a/src/types/openapi.generated.ts
+++ b/src/types/openapi.generated.ts
@@ -1429,6 +1429,20 @@ export type SpeakerOptions = {
   max_speakers_expected?: number | null;
 };
 
+/**
+ * Options for controlling the behavior of Automatic Language Detection
+ */
+export type LanguageDetectionOptions = {
+  /**
+   * A list of languages that the audio could be expected to be.
+   */
+  expected_languages?: string[] | null;
+  /**
+   * The language to fallback to in case the language detection does not predict any of the expected ones.
+   */
+  fallback_language?: string | null;
+};
+
 /**
  * The speech model to use for the transcription.
  */
@@ -3006,6 +3020,10 @@ export type TranscriptOptionalParams = {
    * @defaultValue false
    */
   language_detection?: boolean;
+  /**
+   * Options for controlling the behavior of Automatic Language Detection
+   */
+  language_detection_options?: LanguageDetectionOptions;
   /**
    * Enable {@link https://www.assemblyai.com/docs/models/speech-recognition#multichannel-transcription | Multichannel } transcription, can be true or false.
    * @defaultValue false