diff --git a/backend/requirements.txt b/backend/requirements.txt
index ee52d7fd5..1c5e8b297 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -66,7 +66,7 @@ PyJWT[crypto]==2.9.0
 authlib==1.3.1
 
 black==24.8.0
-langfuse==2.39.2
+langfuse==2.43.3
 youtube-transcript-api==0.6.2
 pytube==15.0.0