diff --git a/requirements.txt b/requirements.txt
index c9a4935..4aa9c17 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ jupyterlab-server==0.2.0
 markdown2==2.3.7
 MarkupSafe==1.1.0
 mistune==0.8.4
-nbconvert==5.4.0
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==5.7.2
 pandocfilters==1.4.2