diff --git a/requirements.txt b/requirements.txt
index 499e25a..e68162b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ MarkupSafe==1.1.1
 matplotlib==3.2.2
 mistune==0.8.4
 munch==2.5.0
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.7
 netCDF4==1.5.3
 notebook==6.0.3