diff --git a/requirements.txt b/requirements.txt
index 09f49dd..9c35da9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ MarkupSafe==1.0
 matplotlib==2.2.2
 mccabe==0.6.1
 mistune==0.8.3
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.6.0
 numpy==1.14.4