diff --git a/requirements.txt b/requirements.txt
index 2cadd0e..a52d14f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ Markdown==2.6.9
 MarkupSafe==1.0
 matplotlib==2.1.0
 mistune==0.7.4
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.2.0
 numpy==1.13.3