diff --git a/requirements.txt b/requirements.txt
index 3cee220..09b8848 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ mkl-random==1.1.0
 mkl-service==2.3.0
 mypy==0.740
 mypy-extensions==0.4.3
-nbconvert==5.6.0
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==6.0.2
 numba==0.46.0