diff --git a/backend/core/models.py b/backend/core/models.py
index 69329e78a..c5d9ccb66 100644
--- a/backend/core/models.py
+++ b/backend/core/models.py
@@ -1431,6 +1431,7 @@ class Type(models.TextChoices):
                             "value": {
                                 "type": "integer",
                                 "minimum": 0,
+                                "maximum": 3,
                             },
                             "is_enabled": {
                                 "type": "boolean",