diff --git a/requirements.txt b/requirements.txt
index d04801a..4cd1687 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ Markdown==2.6.11
 MarkupSafe==1.0
 matplotlib==2.0.1
 mistune==0.8.3
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.4.0
 numpy==1.14.3