diff --git a/requirements.txt b/requirements.txt
index bd5a942..01bab5d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ MarkupSafe==1.1.1
 matplotlib==3.0.2
 mccabe==0.6.1
 mistune==0.8.4
-nbconvert==5.6.0
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==6.0.1
 numpy==1.15.4