diff --git a/homeassistant/components/smappee/switch.py b/homeassistant/components/smappee/switch.py
index ded898f9f10..a8a92c5cd8e 100644
--- a/homeassistant/components/smappee/switch.py
+++ b/homeassistant/components/smappee/switch.py
@@ -1,5 +1,6 @@
 """Support for interacting with Smappee Comport Plugs, Switches and Output Modules."""
 from homeassistant.components.switch import SwitchEntity
+from homeassistant.helpers.entity import DeviceInfo
 
 from .const import DOMAIN
 
@@ -148,15 +149,15 @@ class SmappeeActuator(SwitchEntity):
         )
 
     @property
-    def device_info(self):
+    def device_info(self) -> DeviceInfo:
         """Return the device info for this switch."""
-        return {
-            "identifiers": {(DOMAIN, self._service_location.device_serial_number)},
-            "name": self._service_location.service_location_name,
-            "manufacturer": "Smappee",
-            "model": self._service_location.device_model,
-            "sw_version": self._service_location.firmware_version,
-        }
+        return DeviceInfo(
+            identifiers={(DOMAIN, self._service_location.device_serial_number)},
+            manufacturer="Smappee",
+            model=self._service_location.device_model,
+            name=self._service_location.service_location_name,
+            sw_version=self._service_location.firmware_version,
+        )
 
     async def async_update(self):
         """Get the latest data from Smappee and update the state."""