diff --git a/OS/01/requirements.txt b/OS/01/requirements.txt
index 56c706a..044c638 100644
--- a/OS/01/requirements.txt
+++ b/OS/01/requirements.txt
@@ -3,6 +3,5 @@ redis==5.0.1
 fastapi==0.109.0
 uvicorn==0.27.0.post1
 websockets==12.0
-pydub==0.25.1
-numpy==1.26.3
-python-dotenv==1.0.1
\ No newline at end of file
+python-dotenv==1.0.1
+ffmpeg-python==0.2.0
\ No newline at end of file