diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 5805dda..e2bce5a
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ greenlet==0.4.15
 gunicorn==19.9.0
 idna==2.8
 ipykernel==5.1.0
-ipython==7.2.0
+ipython==7.16.3
 ipython-genutils==0.2.0
 ipywidgets==7.4.2
 jedi==0.13.2