diff --git a/requirements.txt b/requirements.txt
index bffd48f..1e7de3f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ MarkupSafe==1.1.1
 matplotlib==3.1.1
 mistune==0.8.4
 multidict==4.5.2
-nbconvert==5.5.0
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==6.1.5
 numpy==1.16.0