diff --git a/fastapi_startkit/src/fastapi_startkit/container/container.py b/fastapi_startkit/src/fastapi_startkit/container/container.py
index c3549b27..61335703 100644
--- a/fastapi_startkit/src/fastapi_startkit/container/container.py
+++ b/fastapi_startkit/src/fastapi_startkit/container/container.py
@@ -1,6 +1,7 @@
 """Core of the IOC Container."""
 
 import inspect
+from typing import Any
 
 from ..exceptions import (
     ContainerError,
@@ -42,15 +43,12 @@ def __init__(self):
             self.swaps = {}
             self._remembered = {}
 
-    def bind(self, name, class_obj):
+    def bind(self, name: str, class_obj: Any) -> None:
         """Bind classes into the container with a key value pair.
 
         Arguments:
             name {string} -- Name of the key you want to bind the object to
             class_obj {object} -- The object you want to bind
-
-        Returns:
-            self
         """
         if inspect.ismodule(class_obj):
             raise StrictContainerException(
@@ -63,8 +61,6 @@ def bind(self, name, class_obj):
             self.fire_hook("bind", name, class_obj)
             self.objects.update({name: class_obj})
 
-        return self
-
     def unbind(self, name):
         """Unbind classes from the container from a key.
 
diff --git a/fastapi_startkit/src/fastapi_startkit/support/providers/provider.py b/fastapi_startkit/src/fastapi_startkit/support/providers/provider.py
index e980abfc..7d5572b4 100644
--- a/fastapi_startkit/src/fastapi_startkit/support/providers/provider.py
+++ b/fastapi_startkit/src/fastapi_startkit/support/providers/provider.py
@@ -5,13 +5,14 @@
 
 if TYPE_CHECKING:
     from fastapi_startkit.application import Application
+    from fastapi_startkit.config import AppConfig
 
 
 class Provider:
     provider_key: str = None
 
-    def __init__(self, application: "Application", config: dict = None):
-        self.app: "Application" = application
+    def __init__(self, application: "Application[AppConfig]", config: dict = None):
+        self.app: "Application[AppConfig]" = application
         self.config = config or {}
 
         if self.provider_key is None:
diff --git a/fastapi_startkit/tests/core/test_container.py b/fastapi_startkit/tests/core/test_container.py
index f20354b8..aae18b5a 100644
--- a/fastapi_startkit/tests/core/test_container.py
+++ b/fastapi_startkit/tests/core/test_container.py
@@ -75,9 +75,9 @@ def test_bind_and_make_object_instance(self, container):
         container.bind("service_a", svc)
         assert container.make("service_a") is svc
 
-    def test_bind_returns_self_for_chaining(self, container):
+    def test_bind_returns_none(self, container):
         result = container.bind("x", 42)
-        assert result is container
+        assert result is None
 
     def test_bind_overrides_existing_key_by_default(self, container):
         container.bind("key", "first")