diff --git a/requirements.txt b/requirements.txt
index 51bf8d2..c04ab3c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -58,7 +58,7 @@ matplotlib==3.0.2
 mistune==0.8.4
 mock==3.0.5
 more-itertools==7.2.0
-nbconvert==5.6.0
+nbconvert==6.3.0
 nbformat==4.4.0
 networkx==2.4
 nose==1.3.7