diff --git a/requirements.txt b/requirements.txt
index b01ad15..086e213 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ nbconvert==5.4.0
 nbformat==4.4.0
 networkx==2.2
 nltk==3.4
-notebook==5.7.0
+notebook==6.4.12
 numpy==1.14.5
 olefile==0.46
 opencv-python==3.4.3.18