diff --git a/requirements.txt b/requirements.txt
index 3e7b6d65..0a5ae866 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -203,7 +203,7 @@ mpmath==0.19
 munch==2.0.4
 mysql-connector-python==1.0.12
 MySQL-python==1.2.5
-nbconvert==4.2.0
+nbconvert==6.3.0
 nbformat==4.3.0
 ndg-httpsclient==0.4.1
 netCDF4==1.2.4