diff --git a/requirements.txt b/requirements.txt
index 3180aaa..80aa88e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ mkl-fft==1.0.15
 mkl-random==1.1.0
 mkl-service==2.3.0
 more-itertools==8.0.2
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==6.0.2
 numpy==1.17.4