diff --git a/requirements-dev.txt b/requirements-dev.txt
index 74ce2992..cdb12793 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -281,7 +281,7 @@ toml==0.10.2
     # via streamlit
 toolz==0.12.1
     # via altair
-tornado==6.4
+tornado==6.4.1
     # via streamlit
 traitlets==5.14.3
     # via
diff --git a/requirements.txt b/requirements.txt
index 5ad4de98..fb533f7f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -150,7 +150,7 @@ toml==0.10.2
     # via streamlit
 toolz==0.12.1
     # via altair
-tornado==6.4
+tornado==6.4.1
     # via streamlit
 traitlets==5.14.3
     # via