diff --git a/src/dependency_injector/providers.pyi b/src/dependency_injector/providers.pyi
index 25865891..fca602da 100644
--- a/src/dependency_injector/providers.pyi
+++ b/src/dependency_injector/providers.pyi
@@ -131,9 +131,10 @@ class DependenciesContainer(Object):
 
 
 class Callable(Provider[T]):
-    def __init__(self, provides: _Callable[..., T], *args: Injection, **kwargs: Injection) -> None: ...
+    def __init__(self, provides: Optional[_Callable[..., T]] = None, *args: Injection, **kwargs: Injection) -> None: ...
     @property
-    def provides(self) -> T: ...
+    def provides(self) -> Optional[T]: ...
+    def set_provides(self, provides: Optional[_Callable[..., T]]) -> None: ...
     @property
     def args(self) -> Tuple[Injection]: ...
     def add_args(self, *args: Injection) -> Callable[T]: ...
@@ -221,11 +222,12 @@ class Configuration(Object[Any]):
 
 class Factory(Provider[T]):
     provided_type: Optional[Type]
-    def __init__(self, provides: _Callable[..., T], *args: Injection, **kwargs: Injection) -> None: ...
+    def __init__(self, provides: Optional[_Callable[..., T]] = None, *args: Injection, **kwargs: Injection) -> None: ...
     @property
     def cls(self) -> T: ...
     @property
     def provides(self) -> T: ...
+    def set_provides(self, provides: Optional[_Callable[..., T]]) -> None: ...
     @property
     def args(self) -> Tuple[Injection]: ...
     def add_args(self, *args: Injection) -> Factory[T]: ...
@@ -270,11 +272,12 @@ class FactoryAggregate(Provider):
 
 class BaseSingleton(Provider[T]):
     provided_type = Optional[Type]
-    def __init__(self, provides: _Callable[..., T], *args: Injection, **kwargs: Injection) -> None: ...
+    def __init__(self, provides: Optional[_Callable[..., T]] = None, *args: Injection, **kwargs: Injection) -> None: ...
     @property
     def cls(self) -> T: ...
     @property
     def provides(self) -> T: ...
+    def set_provides(self, provides: Optional[_Callable[..., T]]) -> None: ...
     @property
     def args(self) -> Tuple[Injection]: ...
     def add_args(self, *args: Injection) -> BaseSingleton[T]: ...