diff --git a/tutorials/requirements.txt b/tutorials/requirements.txt
index cd4e403..78eeef7 100644
--- a/tutorials/requirements.txt
+++ b/tutorials/requirements.txt
@@ -28,7 +28,7 @@ matplotlib==3.2.1
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.4
-notebook==6.0.3
+notebook==6.4.12
 numpy==1.18.2
 open3d==0.9.0.0
 pandas==1.0.3