diff --git a/requirements.txt b/requirements.txt
index 143d818..1739c40 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ more-itertools==7.2.0
 nbconvert==5.6.0
 nbformat==4.4.0
 netCDF4==1.5.3
-notebook==6.0.1
+notebook==6.1.5
 numpy==1.17.3
 pandas==0.25.2
 pandocfilters==1.4.2