diff --git a/requirements.txt b/requirements.txt
index 26ae68d..42eecb6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ matplotlib==2.2.2
 mistune==0.8.3
 mpmath==1.0.0
 mypy==0.610
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.5.0
 numpy==1.14.5