diff --git a/requirements.txt b/requirements.txt
index 5969315..d24e14e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ h5py==2.8.0
 httplib2==0.12.0
 idna==2.7
 ipykernel==5.1.0
-ipython==7.1.1
+ipython==7.16.3
 ipython-genutils==0.2.0
 ipywidgets==7.4.2
 jdcal==1.4