diff --git a/requirements/_frozen_env.txt b/requirements/_frozen_env.txt
index 07cdfa7..ca275ee 100644
--- a/requirements/_frozen_env.txt
+++ b/requirements/_frozen_env.txt
@@ -45,7 +45,7 @@ nbconvert==5.5.0
 nbformat==4.4.0
 networkx==2.3
 nose==1.3.7
-notebook==6.1.5
+notebook==6.4.10
 numpy==1.13.3
 opencv-python==4.1.0.25
 pandocfilters==1.4.2