diff --git a/requirements3.6.txt b/requirements3.6.txt
index 16b1a34..02d8135 100644
--- a/requirements3.6.txt
+++ b/requirements3.6.txt
@@ -92,7 +92,7 @@ more-itertools==7.2.0
 mpmath==1.1.0
 msgpack==0.6.1
 multipledispatch==0.6.0
-nbconvert==5.6.1
+nbconvert==6.3.0
 nbformat==4.4.0
 networkx==2.4
 nltk==3.4.5