diff --git a/requirements.txt b/requirements.txt
index be63ec5..5f67305 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ MarkupSafe==1.0
 matplotlib==2.0.2
 mistune==0.8.4
 natsort==6.0.0
-nbconvert==5.4.0
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==6.1.5
 numba==0.35.0