diff --git a/requirements.txt b/requirements.txt
index 13337bc..f37a2a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ MarkupSafe==1.1.1
 mistune==0.8.4
 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