diff --git a/titanic/requirements.txt b/titanic/requirements.txt
index b323907..1cd8dd6 100644
--- a/titanic/requirements.txt
+++ b/titanic/requirements.txt
@@ -33,7 +33,7 @@ leather==0.3.3
 MarkupSafe==1.1.1
 matplotlib==3.1.2
 mistune==0.8.4
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.4
 notebook==6.0.3
 numpy==1.18.1