diff --git a/requirements.txt b/requirements.txt
index 6f0d513fe493cf81ad11bfb93eca260775c00812..020d7e2872d01a449b9344412a01b4cc3c44415a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ Flask-Uploads==0.2.1
 Flask-WTF==1.2.1
 gevent==23.9.1
 greenlet==3.0.1
-gunicorn==19.9.0
+gunicorn==21.2.0
 matplotlib==3.8.1
 networkx==2.2
 numpy==1.24.4