diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 5f607e1..afd9e1c
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ html5lib==0.9999999
 httplib2==0.9.1
 idna==2.6
 imageio==2.5.0
-ipython==2.4.1
+ipython==7.16.3
 jedi==0.9.0
 Jinja2==2.8
 joblib==0.11