diff --git a/requirements.txt b/requirements.txt
index 95aa8c9..313f30f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ matplotlib==2.2.3
 mistune==0.8.3
 mlxtend==0.15.0.0
 more-itertools==4.3.0
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.7.8
 numpy==1.14.5