diff --git a/requirements.txt b/requirements.txt
index e5bc836..80e82f8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -95,7 +95,7 @@ msgpack==0.5.6
 msgpack-python==0.5.6
 multipledispatch==0.5.0
 navigator-updater==0.2.1
-nbconvert==5.3.1
+nbconvert==6.3.0
 nbformat==4.4.0
 networkx==2.1
 nltk==3.3