diff --git a/OLPS_python/requirements.txt b/OLPS_python/requirements.txt
index 328ef4a..0b53516 100644
--- a/OLPS_python/requirements.txt
+++ b/OLPS_python/requirements.txt
@@ -26,7 +26,7 @@ hyperopt==0.1.2
 idna==2.8
 imagesize==1.1.0
 ipykernel==5.1.0
-ipython==7.3.0
+ipython==7.16.3
 ipython-genutils==0.2.0
 ipywidgets==7.4.2
 isort==4.3.15