diff --git a/requirements.txt b/requirements.txt
index 7bf1181..c57e47a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ MarkupSafe==1.1.1
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.6
-notebook==6.0.3
+notebook==6.4.1
 numpy==1.18.4
 opencv-python==4.2.0.32
 packaging==20.4