diff --git a/requirements.txt b/requirements.txt
index a20b464..b1d5522 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ mistune==0.8.4
 msgpack==0.5.6
 msgpack-numpy==0.4.3.2
 murmurhash==1.0.1
-nbconvert==5.4.0
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==5.7.0
 numpy==1.15.2