diff --git a/examples/python/notebook/requirements.txt b/examples/python/notebook/requirements.txt
index 3802de423c95..ed3e15cdccda 100644
--- a/examples/python/notebook/requirements.txt
+++ b/examples/python/notebook/requirements.txt
@@ -8,4 +8,4 @@ rerun-sdk
 # See e.g. https://github.com/jupyter/notebook/issues/6721
 jupyter_client<8
 pyzmq<25
-tornado<=6.1
+tornado<=6.3.2