diff --git a/requirements.txt b/requirements.txt
index 6354806..a17a711 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ jupyter-core==4.6.1
 MarkupSafe==1.1.1
 mistune==0.8.4
 more-itertools==5.0.0
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.7.8
 pandocfilters==1.4.2