diff --git a/requirements.txt b/requirements.txt
index bd09390..f62d2ac 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ lazy-object-proxy==1.4.2
 MarkupSafe==1.0
 mccabe==0.6.1
 mistune==0.8.4
-nbconvert==5.4.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.7.5
 pandocfilters==1.4.2