diff --git a/requirements.txt b/requirements.txt
index 02e2123..33d9c89 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ grpcio==1.26.0
 h5py==2.10.0
 idna==2.8
 ipykernel==5.1.0
-ipython==7.1.1
+ipython==7.16.3
 ipython-genutils==0.2.0
 ipywidgets==7.4.2
 jdcal==1.4