diff --git a/pyproject.toml b/pyproject.toml
index 9a957f6a2..d47144575 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ dependencies = [
     "celery>=5.3.6,<6",
     "crds>=11.17.19,<12",
     "django>=5.0.3,<6",
-    "gunicorn",
+    "gunicorn>=22.0.0,<23.0.0",
     "inflection>=0.5.1,<0.6",
     "jsonschema>=4.21.1,<5",
     "jwst>=1.13.4,<2",