diff --git a/requirements.txt b/requirements.txt
index 4d63a57..eee38d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ MarkupSafe==1.1.1
 matplotlib==3.2.1
 mistune==0.8.4
 mpld3==0.3
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.5
 notebook==6.0.3
 numpy==1.18.2