diff --git a/src/requirements.txt b/src/requirements.txt
index 39eb8e6..fc0659a 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -108,7 +108,7 @@ more-itertools==5.0.0
 mpmath==1.1.0
 msgpack==0.6.1
 multipledispatch==0.6.0
-nbconvert==5.4.1
+nbconvert==6.3.0
 nbformat==4.4.0
 networkx==2.2
 nltk==3.4.5