diff --git a/web_backend/requirements.txt b/web_backend/requirements.txt
index 0dd558a..22ee5e5 100644
--- a/web_backend/requirements.txt
+++ b/web_backend/requirements.txt
@@ -86,7 +86,7 @@ more-itertools==4.1.0
 mpmath==1.0.0
 msgpack-python==0.5.6
 multipledispatch==0.5.0
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 networkx==2.1
 nltk==3.3