diff --git a/requirements.txt b/requirements.txt
index cd109eb..0feed70 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ MarkupSafe==1.0
 matplotlib==3.0.0
 mccabe==0.6.1
 mistune==0.8.3
-nbconvert==5.4.0
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==5.7.0
 numpy==1.15.2