diff --git a/pyproject.toml b/pyproject.toml
index 544797a..b04806e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -80,7 +80,7 @@ dev = [
 ]
 
 docker = [
-    "gunicorn>=21.2.0,<22.0.0",  # Production WSGI server
+    "gunicorn>=21.2.0,<26.0.0",  # Production WSGI server
 ]
 
 all = [