diff --git a/Chapter04/Lie_to_me/requirements.txt b/Chapter04/Lie_to_me/requirements.txt
index a6ed908..60666e8 100644
--- a/Chapter04/Lie_to_me/requirements.txt
+++ b/Chapter04/Lie_to_me/requirements.txt
@@ -9,7 +9,7 @@ Flask-JSGlue==0.3.1
 Flask-SocketIO==2.9.4
 Flask-Uploads==0.2.1
 greenlet==0.4.13
-ipython==6.2.1
+ipython==8.10.0
 ipython-genutils==0.2.0
 isort==4.3.4
 itsdangerous==0.24