diff --git a/DataHack2019-DataLearn/requirements.txt b/DataHack2019-DataLearn/requirements.txt
index 3715fbd..3e4bb90 100644
--- a/DataHack2019-DataLearn/requirements.txt
+++ b/DataHack2019-DataLearn/requirements.txt
@@ -44,7 +44,7 @@ mistune==0.8.4
 more-itertools==7.2.0
 nbconvert==5.6.0
 nbformat==4.4.0
-notebook==6.0.1
+notebook==6.4.12
 numba==0.45.1
 numpy==1.17.0
 packaging==19.1