diff --git a/homeassistant/components/alexa/__init__.py b/homeassistant/components/alexa/__init__.py
index d388a22983f..d28ff5dc804 100644
--- a/homeassistant/components/alexa/__init__.py
+++ b/homeassistant/components/alexa/__init__.py
@@ -8,7 +8,9 @@ from homeassistant.const import (
     CONF_NAME,
     CONF_PASSWORD,
 )
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers import config_validation as cv, entityfilter
+from homeassistant.helpers.typing import ConfigType
 
 from . import flash_briefings, intent, smart_home_http
 from .const import (
@@ -78,7 +80,7 @@ CONFIG_SCHEMA = vol.Schema(
 )
 
 
-async def async_setup(hass, config):
+async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Activate the Alexa component."""
     if DOMAIN not in config:
         return True
diff --git a/homeassistant/components/alexa/smart_home_http.py b/homeassistant/components/alexa/smart_home_http.py
index 237828987e8..9651b8cad15 100644
--- a/homeassistant/components/alexa/smart_home_http.py
+++ b/homeassistant/components/alexa/smart_home_http.py
@@ -4,7 +4,9 @@ import logging
 from homeassistant import core
 from homeassistant.components.http.view import HomeAssistantView
 from homeassistant.const import CONF_CLIENT_ID, CONF_CLIENT_SECRET, ENTITY_CATEGORIES
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_registry as er
+from homeassistant.helpers.typing import ConfigType
 
 from .auth import Auth
 from .config import AbstractConfig
@@ -85,7 +87,7 @@ class AlexaConfig(AbstractConfig):
         return await self._auth.async_do_auth(code)
 
 
-async def async_setup(hass, config):
+async def async_setup(hass: HomeAssistant, config: ConfigType) -> None:
     """Activate Smart Home functionality of Alexa component.
 
     This is optional, triggered by having a `smart_home:` sub-section in the