diff --git a/requirements.txt b/requirements.txt
index a417ac1..3343e8a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ kiwisolver==1.0.1
 MarkupSafe==1.0
 matplotlib==2.2.2
 mistune==0.8.1
-nbconvert==5.1.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.7.8
 numpy==1.14.5