diff --git a/requirements.txt b/requirements.txt
index 21a43eb..ae458c0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ more-itertools==5.0.0
 nbconvert==5.6.0
 nbformat==4.4.0
 nltk==3.4.5
-notebook==6.0.1
+notebook==6.4.12
 numpy==1.17.0
 openkiwi==0.1.2
 pandas==0.25.0