diff --git a/requirements.txt b/requirements.txt
index 57a78d8..25cd9dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ lxml==4.1.1
 MarkupSafe==1.0
 matplotlib==2.1.0
 mistune==0.8.3
-nbconvert==5.3.1
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==5.2.2
 numpy==1.13.3