diff --git a/requirements.txt b/requirements.txt
index 10526e9..dfa8fc8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ mccabe==0.5.2
 mistune==0.7.2
 mock==1.3.0
 mpmath==0.19
-nbconvert==4.2.0
+nbconvert==6.3.0
 nbformat==4.4.0
 newrelic==2.56.0.42
 nose==1.3.7