diff --git a/requirements.txt b/requirements.txt
index 655b9ec..df5e957 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ jupyter-core==4.5.0
 lxml==4.3.4
 MarkupSafe==1.1.1
 mistune==0.8.4
-nbconvert==5.5.0
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==6.0.0
 pandocfilters==1.4.2