diff --git a/setup.cfg b/setup.cfg
index 6de76b21a..6dbb150cb 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -51,7 +51,7 @@ install_requires =
     cosmospy==6.0.0
     dataclasses_json==0.5.6
     eth_account==0.10.0
-    gunicorn==20.1.0
+    gunicorn==21.2.0
     hexbytes==0.2.2
     msgpack==1.0.3  # required by aiocache
     multiaddr==0.0.9    # for libp2p-stubs