diff --git a/break_utility/requirements.txt b/break_utility/requirements.txt
index a3bf729..b3598d1 100644
--- a/break_utility/requirements.txt
+++ b/break_utility/requirements.txt
@@ -67,7 +67,7 @@ murmurhash==1.0.2
 nbconvert==5.6.1
 nbformat==4.4.0
 nltk==3.4.5
-notebook==6.0.2
+notebook==6.4.12
 numpy==1.17.4
 numpydoc==0.9.1
 olefile==0.46