diff --git a/requirements.dev.txt b/requirements.dev.txt
index 9121d63..852889e 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -53,7 +53,7 @@ more-itertools==8.4.0
 multidict==4.7.6; python_version >= "3.6"
 mypy==0.761
 mypy-extensions==0.4.3
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.7
 nodeenv==1.4.0
 notebook==6.0.3