diff --git a/requirements.txt b/requirements.txt
index cf41ad5..86030d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ jupyter-client==4.1.1
 jupyter-console==4.0.3
 jupyter-core==4.0.6
 mistune==0.7.1
-nbconvert==4.1.0
+nbconvert==6.5.1
 nbformat==4.0.1
 notebook==4.0.6
 numpy==1.10.1