diff --git a/requirements.txt b/requirements.txt
index 7dc7553..677cfc3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ mistune==0.8.4
 nbconvert==5.4.1
 nbformat==4.4.0
 networkx==2.3
-notebook==5.7.8
+notebook==6.1.5
 numpy==1.16.3
 opencv-python==4.1.0.25
 ortools==7.0.6546