diff --git a/requirements.txt b/requirements.txt
index 2988b84..7d293d2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ jupyter-core==4.3.0
 MarkupSafe==1.0
 matplotlib==2.0.2
 mistune==0.8.1
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook>=5.7.2
 numpy==1.13.3