diff --git a/src/types/liveTranscriptionOptions.ts b/src/types/liveTranscriptionOptions.ts
index 06a0a6ab..19155489 100644
--- a/src/types/liveTranscriptionOptions.ts
+++ b/src/types/liveTranscriptionOptions.ts
@@ -252,6 +252,11 @@ export type LiveTranscriptionOptions = {
 
   ner?: boolean;
 
+  /**
+   * @see https://developers.deepgram.com/docs/filler-words
+   */
+  filler_words?: boolean;
+
   /**
    * allow arbitrary unknown key/value pairs to be passed through the SDK to the API
    */
diff --git a/src/types/prerecordedTranscriptionOptions.ts b/src/types/prerecordedTranscriptionOptions.ts
index 35a81a5d..d4932127 100644
--- a/src/types/prerecordedTranscriptionOptions.ts
+++ b/src/types/prerecordedTranscriptionOptions.ts
@@ -280,6 +280,11 @@ export type PrerecordedTranscriptionOptions = {
 
   ner?: boolean;
 
+  /**
+   * @see https://developers.deepgram.com/docs/filler-words
+   */
+  filler_words?: boolean;
+
   /**
    * allow arbitrary unknown key/value pairs to be passed through the SDK to the API
    */