diff --git a/docs/requirements.txt b/docs/requirements.txt
index 86c421a..4d0c4c0 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -42,7 +42,7 @@ MarkupSafe==1.1.1
 mistune==0.8.4
 more-itertools==8.4.0
 mypy-extensions==0.4.3
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.7
 nodeenv==1.5.0
 notebook==6.0.3