diff --git a/examples/streamlit/quickstart/requirements.txt b/examples/streamlit/quickstart/requirements.txt
index 9566dd96..bb1134bd 100644
--- a/examples/streamlit/quickstart/requirements.txt
+++ b/examples/streamlit/quickstart/requirements.txt
@@ -83,7 +83,7 @@ terminado==0.12.1
 testpath==0.5.0
 toml==0.10.2
 toolz==0.11.1
-tornado==6.3.3
+tornado==6.4.1
 traitlets==5.1.1
 typing-extensions==3.10.0.2
 tzdata==2021.5