diff --git a/requirements.txt b/requirements.txt
index 66d866c..0cfe52d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ murmurhash==1.0.2
 nbconvert==5.4.1
 nbformat==4.4.0
 nltk==3.4.5
-notebook==5.7.6
+notebook==6.4.12
 numpy==1.16.2
 opencv-contrib-python==4.0.1.24
 opencv-python==4.0.0.21