diff --git a/backend/requirements.txt b/backend/requirements.txt
index 94d3c13..de11f8f 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -12,7 +12,7 @@ click==8.1.3
 ecdsa==0.18.0
 fastapi==0.95.0
 frozenlist==1.4.0
-gunicorn==20.1.0
+gunicorn==21.2.0
 h11==0.14.0
 httptools==0.5.0
 idna==3.4