diff --git a/odoo-stubs/api.pyi b/odoo-stubs/api.pyi
index e30410c..480f888 100644
--- a/odoo-stubs/api.pyi
+++ b/odoo-stubs/api.pyi
@@ -61,7 +61,7 @@ class Environment(Mapping[str, BaseModel]):
     cache: Cache
     _cache_key: dict[Field, Any]
     _protected: StackMap[Field, set[int]]
-    def __new__(cls, cr: Cursor, uid: int, context: dict, su: bool = ...) -> Environment: ...
+    def __new__(cls, cr: Cursor, uid: int | None, context: dict, su: bool = ...) -> Environment: ...
     def __contains__(self, model_name: str) -> bool: ...
     def __getitem__(self, model_name: str) -> BaseModel: ...
     def __iter__(self) -> Iterator[str]: ...