diff --git a/elections_2016/requirements.txt b/elections_2016/requirements.txt
index 4e19d3c..fbabc55 100644
--- a/elections_2016/requirements.txt
+++ b/elections_2016/requirements.txt
@@ -25,7 +25,7 @@ jupyter-core==4.6.1
 lxml==4.5.0
 MarkupSafe==1.1.1
 mistune==0.8.4
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.4
 notebook==6.0.3
 numpy==1.18.1