diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 319f5a3..6e945b6
--- a/requirements.txt
+++ b/requirements.txt
@@ -108,7 +108,7 @@ imgkit==1.0.2
 imutils==0.5.3
 incremental==17.5.0
 ipykernel==5.1.0
-ipython==7.2.0
+ipython==7.16.3
 ipython-genutils==0.2.0
 ipywidgets==7.4.2
 itsdangerous==1.1.0