diff --git a/dendronet_legacy/requirements.txt b/dendronet_legacy/requirements.txt
index cda78a0..93f318f 100644
--- a/dendronet_legacy/requirements.txt
+++ b/dendronet_legacy/requirements.txt
@@ -20,7 +20,7 @@ html5lib==0.999999999
 httplib2==0.9.2
 idna==2.6
 ipykernel==4.8.2
-ipython==5.5.0
+ipython==7.16.3
 ipython-genutils==0.2.0
 ipywidgets==6.0.0
 Jinja2==2.10