diff --git a/requirements.txt b/requirements.txt
index 33a0420..b79c9f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,7 +49,7 @@ MarkupSafe==1.0
 matplotlib==2.0.0
 mistune==0.8.1
 munch==2.2.0
-nbconvert==5.3.1
+nbconvert==6.3.0
 nbformat==4.4.0
 networkx==1.11
 nose==1.3.7