diff --git a/requirements.txt b/requirements.txt
index 9053011..18c4ec6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -130,7 +130,7 @@ nbconvert==5.4.0
 nbformat==4.4.0
 networkx==2.2
 nltk==3.3
-notebook==5.7.0
+notebook==6.4.12
 numba==0.46.0
 numpy==1.15.4
 olefile==0.44