diff --git a/setup.py b/setup.py
index f39005fc1c..e1245c05bb 100644
--- a/setup.py
+++ b/setup.py
@@ -129,7 +129,7 @@ def get_file_text(file_name):
         "sqlalchemy": ["sqlalchemy>=1.2"],
         "starlette": ["starlette>=0.19.1"],
         "starlite": ["starlite>=1.48"],
-        "tornado": ["tornado>=5"],
+        "tornado": ["tornado>=6"],
     },
     classifiers=[
         "Development Status :: 5 - Production/Stable",