diff --git a/requirements.txt b/requirements.txt
index 94a3c61..828e320 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -119,7 +119,7 @@ msgpack==0.5.6
 multidict==4.6.1
 multipledispatch==0.6.0
 navigator-updater==0.2.1
-nbconvert==5.4.0
+nbconvert==6.5.1
 nbformat==4.4.0
 networkx==2.1
 nltk==3.3