diff --git a/requirements.txt b/requirements.txt
index db3e220..eea8ceb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ kiwisolver==1.1.0
 MarkupSafe==1.1.1
 matplotlib==3.1.0
 mistune==0.8.4
-nbconvert==5.5.0
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==5.7.8
 numpy==1.16.4