diff --git a/requirements.txt b/requirements.txt
index 6a4cc41..b62c2d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ nbconvert==5.2.1
 nbformat==4.3.0
 nltk==3.6.6
 nose==1.3.7
-notebook==6.4.1
+notebook==6.4.12
 numpy==1.21.0
 opencv-python==4.2.0.32
 pandas==0.20.1