diff --git a/requirements.txt b/requirements.txt
index 76c196c..aba483c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ MarkupSafe==0.23
 matplotlib==1.5.1
 mistune==0.7.3
 mock==2.0.0
-nbconvert==4.2.0
+nbconvert==6.5.1
 nbformat==4.1.0
 networkx==1.11
 nolearn==0.5b1