diff --git a/requirements.txt b/requirements.txt
index 301dbfa..cc05c7f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ more-itertools==6.0.0
 msgpack==0.5.6
 msgpack-numpy==0.4.3.2
 murmurhash==1.0.1
-nbconvert==5.3.1
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==5.7.2
 numpy==1.15.4