diff --git a/requirements.txt b/requirements.txt
index dc7757b..1b4e245 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ latexcodec==2.0.1
 Markdown==3.0.1
 MarkupSafe==1.1.1
 mistune==0.8.4
-nbconvert==5.5.0
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.7.8
 pandocfilters==1.4.2