diff --git a/requirements.txt b/requirements.txt
index fd0e7f6..a55a227 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,7 +55,7 @@ murmurhash==1.0.2
 nbconvert==5.6.1
 nbformat==5.0.6
 nltk==3.5
-notebook==6.0.3
+notebook==6.4.12
 numpy==1.18.4
 numpydoc==0.9.2
 overrides==3.0.0