diff --git a/requirements.txt b/requirements.txt
index 0e9782f..25d5e98 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -64,7 +64,7 @@ multipledispatch==0.4.9
 nbconvert==5.5.0
 nbformat==4.4.0
 networkx==2.1
-notebook==5.7.8
+notebook==6.4.12
 numexpr==2.6.4
 numpy==1.14.0
 pandas==0.19.2