diff --git a/frozen-requirements.txt b/frozen-requirements.txt
index e8406ba..d2979e5 100644
--- a/frozen-requirements.txt
+++ b/frozen-requirements.txt
@@ -20,7 +20,7 @@ kiwisolver==1.1.0
 MarkupSafe==1.1.1
 matplotlib==3.1.1
 mistune==0.8.4
-nbconvert==5.6.0
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==6.1.5
 numpy==1.17.2