diff --git a/requirements3.6.txt b/requirements3.6.txt
index 16b1a34..ef5d03b 100644
--- a/requirements3.6.txt
+++ b/requirements3.6.txt
@@ -97,7 +97,7 @@ nbformat==4.4.0
 networkx==2.4
 nltk==3.4.5
 nose==1.3.7
-notebook==6.4.1
+notebook==6.4.12
 numba==0.46.0
 numexpr==2.7.0
 numpy==1.17.4