diff --git a/Chapter-4/activity_2/requirements.txt b/Chapter-4/activity_2/requirements.txt
index 424e5fb..f4c4481 100644
--- a/Chapter-4/activity_2/requirements.txt
+++ b/Chapter-4/activity_2/requirements.txt
@@ -20,7 +20,7 @@ h5py==2.7.1
 html5lib==0.9999999
 idna==2.6
 ipykernel==4.7.0
-ipython==6.2.1
+ipython==7.16.3
 ipython-genutils==0.2.0
 ipywidgets==7.0.5
 itsdangerous==0.24