diff --git a/lib/synth-audio.js b/lib/synth-audio.js
index 50145b3..1d6a6e5 100644
--- a/lib/synth-audio.js
+++ b/lib/synth-audio.js
@@ -684,6 +684,8 @@ const synthElevenlabs = async(logger, {
     if (opts.voice_settings?.stability) params += `,stability=${opts.voice_settings.stability}`;
     if (opts.voice_settings?.style) params += `,style=${opts.voice_settings.style}`;
     if (opts.voice_settings?.use_speaker_boost === false) params += ',use_speaker_boost=false';
+    if (opts.previous_text) params += `,previous_text=${opts.previous_text}`;
+    if (opts.next_text) params += `,next_text=${opts.next_text}`;
     params += '}';
 
     return {