diff --git a/requirements.txt b/requirements.txt
index 8104b83..3d80eab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ MarkupSafe==1.1.1
 matplotlib==3.0.3
 mistune==0.8.4
 mock==3.0.5
-nbconvert==5.5.0
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.7.8
 numpy==1.16.3