diff --git a/requirements.txt b/requirements.txt
index 3c161b2..415fbd0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ MarkupSafe==1.0
 matplotlib==2.0.2
 mistune==0.7.4
 mongoengine==0.10.7
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 nltk==3.2.4
 notebook==5.0.0