diff --git a/requirements.txt b/requirements.txt
index ee13259..7dc65e7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ MarkupSafe==1.0
 matplotlib==2.1.0
 mistune==0.7.4
 murmurhash==0.26.4
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.2.0
 numexpr==2.6.4