diff --git a/requirements.txt b/requirements.txt
index 9c4aba2..1d5596e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,7 +45,7 @@ more-itertools==5.0.0
 nbconvert==5.4.0
 nbformat==4.4.0
 nose==1.3.7
-notebook==5.7.4
+notebook==6.4.12
 numpy==1.15.4
 pandas==0.23.4
 pandoc==1.0.2