diff --git a/requirements.txt b/requirements.txt
index d213703..7eca36b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -64,7 +64,7 @@ mistune==0.8.3
 mkl-fft==1.0.6
 mkl-random==1.0.1
 munch==2.3.2
-nbconvert==5.3.1
+nbconvert==6.3.0
 nbformat==4.4.0
 networkx==2.2
 notebook==5.6.0