diff --git a/cli/requirements.txt b/cli/requirements.txt
index b4336fa..8b54bc8 100644
--- a/cli/requirements.txt
+++ b/cli/requirements.txt
@@ -62,7 +62,7 @@ nbconvert==5.5.0
 nbformat==4.4.0
 networkx==2.3
 nimfa==1.3.4
-notebook==5.7.8
+notebook==6.4.12
 numexpr==2.6.9
 numpy==1.16.3
 openslide-python==1.1.1