diff --git a/requirements.txt b/requirements.txt
index 6a4cc41..c05d9fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ mistune==0.7.4
 mock==2.0.0
 mxnet-cu80==0.10.0
 MySQL-python==1.2.5
-nbconvert==5.2.1
+nbconvert==6.5.1
 nbformat==4.3.0
 nltk==3.6.6
 nose==1.3.7