diff --git a/pyproject.toml b/pyproject.toml
index c7c6c05..45ea957 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ dependencies = [
     # Pre-1.0 and major-version-risky deps are capped; floors are the versions
     # the suite is verified against.
     "fastapi>=0.116,<1.0",
-    "gunicorn>=23.0,<24",
+    "gunicorn>=23.0,<27",
     "orjson>=3.11,<4",
     "platformdirs>=4.0,<5",
     "python-multipart>=0.0.19,<0.1",