diff --git a/backend/requirements.txt b/backend/requirements.txt
index a7ca174d2..c4a7a92e0 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -5,7 +5,7 @@ Flask==2.2.3
 Flask-Cors==3.0.10
 flask-talisman==1.1.0
 google-cloud-storage==2.7.0
-gunicorn==20.1.0
+gunicorn==21.2.0
 python-dateutil==2.8.2
 pytoml==0.1.21
 redis==5.0.0