diff --git a/requirements.txt b/requirements.txt
index 9f8a8dd..2f6dd77 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ mistune==0.8.3
 nbconvert==5.3.1
 nbformat==4.4.0
 nose==1.3.7
-notebook==5.4.1
+notebook==6.4.12
 numpy==1.14.2
 opencv-python==3.4.1.15
 packaging==17.1