diff --git a/requirements.txt b/requirements.txt
index 8fe9ebf..533ad75 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ jupyter-core==4.0.6
 MarkupSafe==0.23
 matplotlib==1.5.1
 mistune==0.8.1
-nbconvert==4.1.0
+nbconvert==6.5.1
 nbformat==4.0.1
 notebook==5.7.8
 numpy==1.10.4