diff --git a/requirements.txt b/requirements.txt
index e88d66672..7dc414966 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -239,7 +239,7 @@ toml==0.10.2
 tomli==1.2.1
 tomlkit==0.7.2
 tornadis==0.8.1
-tornado==5.1.1
+tornado==6.3.3
 traitlets==4.3.3
 typed-ast==1.4.3
 typing-extensions==3.10.0.0