diff --git a/requirements.txt b/requirements.txt
index 7e9b073..915754d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ MarkupSafe==1.0
 matplotlib==2.0.2
 mistune==0.7.4
 mizani==0.3.4
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbextensions==0.0.6
 nbformat==4.4.0
 notebook==5.1.0