diff --git a/requirements.txt b/requirements.txt
index 951926b..b018414 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -68,7 +68,7 @@ mistune==0.8.4
 more-itertools==8.1.0
 mpmath==1.1.0
 mysqlclient==1.4.6
-nbconvert==5.6.1
+nbconvert==6.3.0
 nbformat==5.0.3
 netCDF4==1.5.3
 notebook==6.0.2