diff --git a/pyproject.toml b/pyproject.toml
index 980e499..8c9a803 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ dependencies = [
     "falcon==4.0.2",
     "freezing-model @ https://github.com/freezingsaddles/freezing-model/archive/0.11.2.tar.gz",
     "greenstalk==2.0.2",
-    "gunicorn==22.0.0",
+    "gunicorn==23.0.0",
     "python-mimeparse==2.0.0",
 ]
 classifiers = [