diff --git a/elections_2016/requirements.txt b/elections_2016/requirements.txt
index 4e19d3c..4c62dd1 100644
--- a/elections_2016/requirements.txt
+++ b/elections_2016/requirements.txt
@@ -27,7 +27,7 @@ MarkupSafe==1.1.1
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.4
-notebook==6.0.3
+notebook==6.1.5
 numpy==1.18.1
 pandas==1.0.0
 pandocfilters==1.4.2