diff --git a/api/schemas/overrides.py b/api/schemas/overrides.py
index 51c81365c..cd81f1157 100644
--- a/api/schemas/overrides.py
+++ b/api/schemas/overrides.py
@@ -21,7 +21,8 @@ def schema_extra(schema: dict, _):
 class BaseModel(_BaseModel):
     model_config = ConfigDict(alias_generator=attribute_to_camel_case,
                               use_enum_values=True,
-                              json_schema_extra=schema_extra)
+                              json_schema_extra=schema_extra,
+                              extra='forbid')
 
 
 class Enum(_Enum):