diff --git a/requirements.txt b/requirements.txt
index 8563269..856d1f3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ mccabe==0.6.1
 mistune==0.8.4
 nbconvert==5.5.0
 nbformat==4.4.0
-notebook==5.7.8
+notebook==6.4.12
 numpy==1.16.3
 pandas==0.24.2
 pandocfilters==1.4.2