diff --git a/advanced_alchemy/config/common.py b/advanced_alchemy/config/common.py
index 71eccee5..041ec90e 100644
--- a/advanced_alchemy/config/common.py
+++ b/advanced_alchemy/config/common.py
@@ -203,7 +203,14 @@ def __post_init__(self) -> None:
             event.listen(Session, "before_flush", touch_updated_timestamp)
 
     def __hash__(self) -> int:
-        return hash((self.__class__.__qualname__, self.bind_key))
+        return hash(
+            (
+                self.__class__.__qualname__,
+                self.connection_string,
+                self.engine_config.__class__.__qualname__,
+                self.bind_key,
+            )
+        )
 
     def __eq__(self, other: object) -> bool:
         return self.__hash__() == other.__hash__()
diff --git a/advanced_alchemy/extensions/starlette/extension.py b/advanced_alchemy/extensions/starlette/extension.py
index b0f7d712..6b78c7a6 100644
--- a/advanced_alchemy/extensions/starlette/extension.py
+++ b/advanced_alchemy/extensions/starlette/extension.py
@@ -67,6 +67,32 @@ def init_app(self, app: Starlette) -> None:
             config.init_app(app)
 
         app.state.advanced_alchemy = self
+        existing_lifespan = getattr(app, "lifespan", None)
+
+        if existing_lifespan is not None:
+
+            @asynccontextmanager
+            async def wrapped_lifespan(app: Starlette) -> AsyncGenerator[None, None]:
+                async with self.lifespan(app), existing_lifespan(app):  # type: ignore[misc]
+                    yield
+
+            app.lifespan = wrapped_lifespan  # type: ignore[attr-defined]
+        else:
+            app.lifespan = self.lifespan  # type: ignore[attr-defined]
+
+    @asynccontextmanager
+    async def lifespan(self, app: Starlette) -> AsyncGenerator[None, None]:
+        """Context manager for lifespan events.
+
+        Args:
+            app: The starlette application.
+
+        Yields:
+            None
+        """
+        await self.startup()
+        yield
+        await self.shutdown()
 
     @property
     def app(self) -> Starlette:
@@ -85,12 +111,12 @@ def app(self) -> Starlette:
 
         return self._app
 
-    async def on_startup(self) -> None:  # pragma: no cover
+    async def startup(self) -> None:  # pragma: no cover
         """Initializes the database."""
         for config in self.config:
             await config.on_startup()
 
-    async def on_shutdown(self) -> None:  # pragma: no cover
+    async def shutdown(self) -> None:  # pragma: no cover
         """Handles the shutdown event by disposing of the SQLAlchemy engine.
 
         Ensures that all connections are properly closed during application shutdown.