diff --git a/requirements.txt b/requirements.txt
index 58da3c9..47cde7d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ multitasking==0.0.7
 nbconvert==5.3.1
 nbformat==4.4.0
 nose==1.3.7
-notebook==5.5.0
+notebook==6.4.12
 numpy==1.14.3
 packaging==17.1
 pandas==0.23.0