diff --git a/requirements.txt b/requirements.txt
index da9ce15..9f99347 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ jupyter-core==4.1.0
 keepalive==0.5
 MarkupSafe==0.23
 mistune==0.8.1
-nbconvert==4.2.0
+nbconvert==6.3.0
 nbformat==4.0.1
 notebook==5.7.8
 numpy==1.11.0