diff --git a/requirements.txt b/requirements.txt
index f2bd86f..ac7addf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,7 +59,7 @@ more-itertools==8.5.0
 multipledispatch==0.6.0
 nbconvert==5.6.1
 nbformat==5.0.7
-notebook==6.1.5
+notebook==6.4.12
 numpy==1.19.1
 packaging==20.4
 pandas==1.1.0