diff --git a/requirements.txt b/requirements.txt
index 786b6e4..9b73484 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ lazy-object-proxy==1.4.1
 MarkupSafe==1.1.1
 mccabe==0.6.1
 mistune==0.8.4
-nbconvert==5.5.0
+nbconvert==6.3.0
 nbformat==4.4.0
 numpydoc==0.9.1
 packaging==19.0