diff --git a/requirements.txt b/requirements.txt
index 133c9e1..3dc00f0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,7 +49,7 @@ more-itertools==7.0.0
 nbconvert==5.4.0
 nbformat==4.4.0
 networkx==2.2
-notebook==5.7.8
+notebook==6.4.12
 numpy==1.15.2
 pandas==0.23.4
 pandocfilters==1.4.2