diff --git a/.fernignore b/.fernignore
index 35b23289..093cdb6f 100644
--- a/.fernignore
+++ b/.fernignore
@@ -12,6 +12,7 @@ src/elevenlabs/speech_to_text_custom.py
 src/elevenlabs/url_utils.py
 src/elevenlabs/realtime/
 src/elevenlabs/speech_engine/
+src/elevenlabs/speech_engine_custom.py
 
 # Ignore CI files
 .github/