diff --git a/requirements-frozen.txt b/requirements-frozen.txt
index d423662..bd28dae 100644
--- a/requirements-frozen.txt
+++ b/requirements-frozen.txt
@@ -24,7 +24,7 @@ lxml==4.5.0
 MarkupSafe==1.1.1
 matplotlib==3.2.1
 mistune==0.8.4
-nbconvert==5.6.1
+nbconvert==6.3.0
 nbformat==5.0.5
 notebook==6.0.3
 numpy==1.18.2