diff --git a/requirements.txt b/requirements.txt
index 2abaef0..831affe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ kiwisolver==1.1.0
 MarkupSafe==1.1.1
 matplotlib==3.1.3
 mistune==0.8.4
-nbconvert==5.6.1
+nbconvert==6.3.0
 nbformat==5.0.4
 netCDF4==1.5.3
 notebook==6.0.3