diff --git a/requirements.txt b/requirements.txt
index 8fe9ebf..df64873 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ matplotlib==1.5.1
 mistune==0.8.1
 nbconvert==4.1.0
 nbformat==4.0.1
-notebook==5.7.8
+notebook==6.4.12
 numpy==1.10.4
 pandas==0.17.1
 scikit-learn==0.20.3