diff --git a/requirements.txt b/requirements.txt
index 577871f..4c9a6fe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ colorama==0.4.1
 cryptography==3.3.2
 Flask==1.1.1
 Flask-Bcrypt==0.7.1
-gunicorn==20.0.4
+gunicorn==21.2.0
 idna==2.8
 isort==4.3.21
 itsdangerous==1.1.0