diff --git a/explainer/requirements.txt b/explainer/requirements.txt
index 87a0f3e..6e88216 100644
--- a/explainer/requirements.txt
+++ b/explainer/requirements.txt
@@ -41,7 +41,7 @@ mccabe==0.6.1
 mistune==0.8.4
 nbconvert==5.5.0
 nbformat==4.4.0
-notebook==5.7.8
+notebook==6.4.12
 numpy==1.16.3
 opencv-python==4.1.0.25
 pandas==0.24.2