diff --git a/requirements.txt b/requirements.txt
index bcdbc3e..4e24b8a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -75,7 +75,7 @@ mock==2.0.0
 monotonic==1.2
 moviepy==0.2.3.2
 msgpack-python==0.4.8
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 networkx==1.11
 nltk==3.2.5