diff --git a/requirements.txt b/requirements.txt
index 1aef57b..1d69875 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ more-itertools==7.2.0
 nbconvert==5.6.0
 nbformat==4.4.0
 nltk==3.4.5
-notebook==6.0.1
+notebook==6.4.1
 nsepy==0.7
 nsetools==1.0.10
 numpy==1.17.2