diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index eedfbfd..e953026
--- a/requirements.txt
+++ b/requirements.txt
@@ -117,7 +117,7 @@ networkx==2.3
 neuralcoref==4.0
 nltk==3.4.5
 nose==1.3.7
-notebook==6.0.1
+notebook==6.4.10
 numba==0.45.1
 numexpr==2.7.0
 numpy==1.18.0