diff --git a/card-gen-backend/requirements.txt b/card-gen-backend/requirements.txt
index a9bab32..6431fbb 100644
--- a/card-gen-backend/requirements.txt
+++ b/card-gen-backend/requirements.txt
@@ -5,7 +5,7 @@ click==8.1.7
 docopt==0.6.2
 Flask==3.0.0
 Flask-Cors==4.0.0
-gunicorn==21.2.0
+gunicorn==22.0.0
 idna==3.4
 itsdangerous==2.1.2
 Jinja2==3.1.3