diff --git a/requirements.txt b/requirements.txt
index 1386f19..cc12e39 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ nbconvert==5.6.0
 nbformat==4.4.0
 networkx==2.3
 nltk==3.4.5
-notebook==6.0.1
+notebook==6.4.12
 numpy==1.17.0
 opencv-mat==0.1
 opencv-python==4.1.0.25