diff --git a/requirements.txt b/requirements.txt
index e7279d2..50f0936 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ mapsplotlib==1.1.2
 MarkupSafe==1.0
 matplotlib==2.2.3
 mistune==0.8.3
-nbconvert==5.4.0
+nbconvert==6.3.0
 nbformat==4.4.0
 networkx==2.1
 notebook==5.7.8