diff --git a/requirements.txt b/requirements.txt
index dc13911..d5acebb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ MarkupSafe==1.1.1
 mistune==0.8.4
 more-itertools==7.2.0
 multidict==4.5.2
-nbconvert==5.6.1
+nbconvert==6.3.0
 nbformat==4.4.0
 pandocfilters==1.4.2
 pycares==3.0.0