diff --git a/swifr_pkg/requirements.txt b/swifr_pkg/requirements.txt
index 3e2d876..735ef87 100644
--- a/swifr_pkg/requirements.txt
+++ b/swifr_pkg/requirements.txt
@@ -96,7 +96,7 @@ mpmath==1.1.0
 msgpack==0.5.6
 multipledispatch==0.6.0
 navigator-updater==0.2.1
-nbconvert==5.4.0
+nbconvert==6.5.1
 nbformat==4.4.0
 networkx==2.2
 nltk==3.4