diff --git a/requirements.txt b/requirements.txt
index 1558b40..a03cd38 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@ pytest==7.1.3
 Flask==2.2.2
 pytest-cov==3.0.0
 codecov==2.1.12
-gunicorn==20.1.0
+gunicorn==21.0.1