diff --git a/backend/requirements.txt b/backend/requirements.txt
index e6365b6..956123a 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -4,7 +4,7 @@ click==8.1.7
 dill==0.3.7
 Flask==3.0.0
 Flask-Cors==4.0.0
-gunicorn==20.1.0
+gunicorn==21.2.0
 iniconfig==2.0.0
 isort==5.12.0
 itsdangerous==2.1.2