diff --git a/requirements.txt b/requirements.txt
index 802a9c8..12cf1b8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ MarkupSafe==1.1.1
 mistune==0.8.4
 nbconvert==5.4.1
 nbformat==4.4.0
-notebook==5.7.7
+notebook==6.4.12
 pandocfilters==1.4.2
 parso==0.3.4
 pickleshare==0.7.5