diff --git a/representation-learning/requirements.txt b/representation-learning/requirements.txt
index ae3216a..1cb18ce 100644
--- a/representation-learning/requirements.txt
+++ b/representation-learning/requirements.txt
@@ -46,7 +46,7 @@ mistune==0.8.4
 more-itertools==7.2.0
 nbconvert==5.6.1
 nbformat==4.4.0
-notebook==6.0.2
+notebook==6.4.12
 numpy==1.17.4
 oauthlib==3.1.0
 opt-einsum==3.1.0