diff --git a/requirements.txt b/requirements.txt
index b7fdc6d..5c03902 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ lxml==3.5.0
 Markdown==2.6.11
 MarkupSafe==1.0
 mistune==0.8.3
-nbconvert==5.3.1
+nbconvert==6.3.0
 nbformat==4.4.0
 nose==1.3.7
 notebook==5.6.0