diff --git a/requirements.txt b/requirements.txt
index b378200..ede4454 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -137,7 +137,7 @@ nbformat==4.4.0
 networkx==2.3
 nltk==3.4.5
 nose==1.3.7
-notebook==6.0.1
+notebook==6.4.12
 numba==0.45.1
 numexpr==2.7.0
 numpy==1.16.5