diff --git a/requirements.txt b/requirements.txt
index 2f1ed1b..2627f3f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@ matplotlib==3.1.1
 numpy==1.17.3
 scikit-learn==0.21.3
 scipy==1.3.2
-notebook==6.0.3
+notebook==6.1.5