diff --git a/requirements.txt b/requirements.txt
index 210e2f2..6852465 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -110,7 +110,7 @@ nbconvert==5.6.1
 nbformat==5.0.7
 networkx 
 nose==1.3.7
-notebook==6.4.1
+notebook==6.4.12
 numba==0.50.1
 numexpr==2.7.1
 numpy==1.17.0