diff --git a/requirements.txt b/requirements.txt
index 415654f..aca5de7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ mccabe==0.6.1
 mistune==0.8.4
 mypy==0.750
 mypy-extensions==0.4.3
-nbconvert==5.6.0
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==6.0.1
 numpy==1.17.2