diff --git a/setup.py b/setup.py
index 6ea23a0..7119506 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@ setup(name="magic-wormhole-transit-relay",
                 ],
       package_data={"wormhole_transit_relay": ["db-schemas/*.sql"]},
       install_requires=[
-          "twisted >= 21.2.1",
+          "twisted >= 21.2.0",
           "autobahn >= 21.3.1",
       ],
       extras_require={