diff --git a/requirements.txt b/requirements.txt
index 0e9782f..83140cd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -61,7 +61,7 @@ matplotlib==2.2.2
 mistune==0.8.4
 multidict==4.1.0
 multipledispatch==0.4.9
-nbconvert==5.5.0
+nbconvert==6.5.1
 nbformat==4.4.0
 networkx==2.1
 notebook==5.7.8