diff --git a/requirements.txt b/requirements.txt
index 20fc386..bf17a16 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ kiwisolver==1.0.1
 MarkupSafe==1.1.0
 matplotlib==3.0.1
 mistune==0.8.4
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.7.0
 numpy==1.15.4