diff --git a/pyproject.toml b/pyproject.toml
index 1ddb85d..91bdf2c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dependencies = [
     "dash-bootstrap-components==1.6.0",
     "dash-bootstrap-templates==1.1.2",
     "dash[celery]==2.16.1",
-    "gunicorn==21.2.0",
+    "gunicorn==22.0.0",
     "idna==3.7",
     "itsdangerous==2.1.2",
     "logbook==1.7.0.post0",