diff --git a/examples/notebooks/tf_2_0/requirements.txt b/examples/notebooks/tf_2_0/requirements.txt
index e840674..36b7c5f 100644
--- a/examples/notebooks/tf_2_0/requirements.txt
+++ b/examples/notebooks/tf_2_0/requirements.txt
@@ -38,7 +38,7 @@ matplotlib==3.2.1
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.5
-notebook==6.1.5
+notebook==6.4.12
 numpy==1.18.2
 oauthlib==3.1.0
 opt-einsum==3.2.0