diff --git a/production/user-image/winterhub/requirements.txt b/production/user-image/winterhub/requirements.txt
index 107c5e4..2771f3a 100644
--- a/production/user-image/winterhub/requirements.txt
+++ b/production/user-image/winterhub/requirements.txt
@@ -2,7 +2,7 @@
 # data8; foundation
 # expanded to Introduction to Probability Theory HBRS
 tornado==4.5.3
-notebook==5.6.0
+notebook==6.4.10
 datascience==0.10.4
 matplotlib==2.2.2
 numpy==1.14.4