diff --git a/requirements.txt b/requirements.txt
index 5d047a2..0d5faa1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -50,7 +50,7 @@ mistune==0.8.4
 munch==2.5.0
 nbconvert==5.6.1
 nbformat==5.0.4
-notebook==6.0.3
+notebook==6.4.12
 numpy==1.18.1
 pandas==1.0.1
 pandocfilters==1.4.2