diff --git a/src/api/transcriptions.py b/src/api/transcriptions.py
index 5c56467..15ea115 100644
--- a/src/api/transcriptions.py
+++ b/src/api/transcriptions.py
@@ -99,7 +99,7 @@ async def create_transcription(
     
     try:
         # Validate file type
-        allowed_extensions = {'.mp3', '.mp4', '.mpeg', '.mpga', '.m4a', '.wav', '.webm'}
+        allowed_extensions = {'.mp3', '.mp4', '.mpeg', '.mpga', '.m4a', '.wav', '.webm', '.ogg', '.oga', '.opus', '.flac'}
         file_ext = os.path.splitext(file.filename)[1].lower()
         
         if file_ext not in allowed_extensions: