diff --git a/api/frozen_requirements.txt b/api/frozen_requirements.txt
index c184185..651a0d6 100644
--- a/api/frozen_requirements.txt
+++ b/api/frozen_requirements.txt
@@ -33,7 +33,7 @@ jupyter-console==6.0.0
 jupyter-core==4.4.0
 MarkupSafe==1.1.1
 mistune==0.8.4
-nbconvert==5.5.0
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==5.7.8
 numpy==1.16.3