diff --git a/requirements.txt b/requirements.txt
index bcad211..41d01c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,7 +42,7 @@ mpld3==0.3
 msgpack==0.5.6
 msgpack-numpy==0.4.3.1
 murmurhash==0.28.0
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 nltk==3.4.5
 notebook==5.6.0