diff --git a/requirements.txt b/requirements.txt
index 817b539..d02a647 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ matplotlib==2.0.0
 mistune==0.8.1
 nbconvert==4.1.0
 nbformat==4.0.1
-notebook==5.7.8
+notebook==6.4.12
 numpy==1.10.4
 path.py==8.1.2
 pexpect==4.0.1