diff --git a/custom_components/irm_kmi/__init__.py b/custom_components/irm_kmi/__init__.py
index 29db1df..8644ac3 100644
--- a/custom_components/irm_kmi/__init__.py
+++ b/custom_components/irm_kmi/__init__.py
@@ -7,9 +7,10 @@ from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ConfigEntryError
 
-from .const import (CONF_DARK_MODE, CONF_STYLE, OPTION_STYLE_STD, DOMAIN,
-                    PLATFORMS, OPTION_DEPRECATED_FORECAST_NOT_USED,
-                    CONF_USE_DEPRECATED_FORECAST)
+from .const import (CONF_DARK_MODE, CONF_STYLE, CONF_USE_DEPRECATED_FORECAST,
+                    CONFIG_FLOW_VERSION, DOMAIN,
+                    OPTION_DEPRECATED_FORECAST_NOT_USED, OPTION_STYLE_STD,
+                    PLATFORMS)
 from .coordinator import IrmKmiCoordinator
 from .weather import IrmKmiWeather
 
@@ -51,7 +52,7 @@ async def async_migrate_entry(hass, config_entry: ConfigEntry):
     """Migrate old entry."""
     _LOGGER.debug(f"Migrating from version {config_entry.version}")
 
-    if config_entry.version > 2:
+    if config_entry.version > CONFIG_FLOW_VERSION - 1:
         # This means the user has downgraded from a future version
         return False
 
diff --git a/custom_components/irm_kmi/config_flow.py b/custom_components/irm_kmi/config_flow.py
index b55edb0..e907336 100644
--- a/custom_components/irm_kmi/config_flow.py
+++ b/custom_components/irm_kmi/config_flow.py
@@ -3,7 +3,7 @@ import logging
 
 import voluptuous as vol
 from homeassistant.components.zone import DOMAIN as ZONE_DOMAIN
-from homeassistant.config_entries import ConfigFlow, OptionsFlow, ConfigEntry
+from homeassistant.config_entries import ConfigEntry, ConfigFlow, OptionsFlow
 from homeassistant.const import CONF_ZONE
 from homeassistant.core import callback
 from homeassistant.data_entry_flow import FlowResult
@@ -13,16 +13,18 @@ from homeassistant.helpers.selector import (EntitySelector,
                                             SelectSelectorConfig,
                                             SelectSelectorMode)
 
-from .utils import get_config_value
 from .const import (CONF_DARK_MODE, CONF_STYLE, CONF_STYLE_OPTIONS,
-                    OPTION_STYLE_STD, DOMAIN, CONF_USE_DEPRECATED_FORECAST, OPTION_DEPRECATED_FORECAST_NOT_USED,
-                    CONF_USE_DEPRECATED_FORECAST_OPTIONS)
+                    CONF_USE_DEPRECATED_FORECAST,
+                    CONF_USE_DEPRECATED_FORECAST_OPTIONS, CONFIG_FLOW_VERSION,
+                    DOMAIN, OPTION_DEPRECATED_FORECAST_NOT_USED,
+                    OPTION_STYLE_STD)
+from .utils import get_config_value
 
 _LOGGER = logging.getLogger(__name__)
 
 
 class IrmKmiConfigFlow(ConfigFlow, domain=DOMAIN):
-    VERSION = 3
+    VERSION = CONFIG_FLOW_VERSION
 
     @staticmethod
     @callback
diff --git a/custom_components/irm_kmi/const.py b/custom_components/irm_kmi/const.py
index 8999d78..716e7c5 100644
--- a/custom_components/irm_kmi/const.py
+++ b/custom_components/irm_kmi/const.py
@@ -16,6 +16,8 @@ from homeassistant.const import Platform
 
 DOMAIN: Final = 'irm_kmi'
 PLATFORMS: Final = [Platform.WEATHER, Platform.CAMERA]
+CONFIG_FLOW_VERSION = 3
+
 OUT_OF_BENELUX: Final = ["außerhalb der Benelux (Brussels)",
                          "Hors de Belgique (Bxl)",
                          "Outside the Benelux (Brussels)",
diff --git a/custom_components/irm_kmi/coordinator.py b/custom_components/irm_kmi/coordinator.py
index f5c1f17..0685d8b 100644
--- a/custom_components/irm_kmi/coordinator.py
+++ b/custom_components/irm_kmi/coordinator.py
@@ -7,6 +7,7 @@ from typing import Any, List, Tuple
 
 import async_timeout
 import pytz
+from PIL import Image, ImageDraw, ImageFont
 from homeassistant.components.weather import Forecast
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import ATTR_LATITUDE, ATTR_LONGITUDE, CONF_ZONE
@@ -15,7 +16,6 @@ from homeassistant.exceptions import ConfigEntryError
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 from homeassistant.helpers.update_coordinator import (DataUpdateCoordinator,
                                                       UpdateFailed)
-from PIL import Image, ImageDraw, ImageFont
 
 from .api import IrmKmiApiClient, IrmKmiApiError
 from .const import CONF_DARK_MODE, CONF_STYLE, OPTION_STYLE_SATELLITE
diff --git a/custom_components/irm_kmi/weather.py b/custom_components/irm_kmi/weather.py
index 3396e66..4ae149c 100644
--- a/custom_components/irm_kmi/weather.py
+++ b/custom_components/irm_kmi/weather.py
@@ -1,5 +1,4 @@
 """Support for IRM KMI weather."""
-import asyncio
 import logging
 from typing import List
 
@@ -13,9 +12,10 @@ from homeassistant.helpers.device_registry import DeviceEntryType, DeviceInfo
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
-from . import DOMAIN, CONF_USE_DEPRECATED_FORECAST
-from .const import OPTION_DEPRECATED_FORECAST_HOURLY, OPTION_DEPRECATED_FORECAST_NOT_USED, \
-    OPTION_DEPRECATED_FORECAST_DAILY
+from . import CONF_USE_DEPRECATED_FORECAST, DOMAIN
+from .const import (OPTION_DEPRECATED_FORECAST_DAILY,
+                    OPTION_DEPRECATED_FORECAST_HOURLY,
+                    OPTION_DEPRECATED_FORECAST_NOT_USED)
 from .coordinator import IrmKmiCoordinator
 from .utils import get_config_value
 
diff --git a/tests/conftest.py b/tests/conftest.py
index ef9bfe5..5ad0d4f 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -11,9 +11,9 @@ from pytest_homeassistant_custom_component.common import (MockConfigEntry,
                                                           load_fixture)
 
 from custom_components.irm_kmi.api import IrmKmiApiParametersError
-from custom_components.irm_kmi.const import (CONF_DARK_MODE, CONF_STYLE,
-                                             OPTION_STYLE_STD, DOMAIN, OPTION_DEPRECATED_FORECAST_NOT_USED,
-                                             CONF_USE_DEPRECATED_FORECAST)
+from custom_components.irm_kmi.const import (
+    CONF_DARK_MODE, CONF_STYLE, CONF_USE_DEPRECATED_FORECAST, DOMAIN,
+    OPTION_DEPRECATED_FORECAST_NOT_USED, OPTION_STYLE_STD)
 
 
 async def patched(url: str, params: dict | None = None) -> bytes:
diff --git a/tests/test_config_flow.py b/tests/test_config_flow.py
index 38d2a60..7854279 100644
--- a/tests/test_config_flow.py
+++ b/tests/test_config_flow.py
@@ -7,10 +7,13 @@ from homeassistant.config_entries import SOURCE_USER
 from homeassistant.const import CONF_ZONE
 from homeassistant.core import HomeAssistant
 from homeassistant.data_entry_flow import FlowResultType
+from pytest_homeassistant_custom_component.common import MockConfigEntry
 
-from custom_components.irm_kmi.const import (CONF_DARK_MODE, CONF_STYLE,
-                                             OPTION_STYLE_STD, DOMAIN, CONF_USE_DEPRECATED_FORECAST,
-                                             OPTION_DEPRECATED_FORECAST_NOT_USED)
+from custom_components.irm_kmi import async_migrate_entry
+from custom_components.irm_kmi.const import (
+    CONF_DARK_MODE, CONF_STYLE, CONF_USE_DEPRECATED_FORECAST,
+    CONFIG_FLOW_VERSION, DOMAIN, OPTION_DEPRECATED_FORECAST_NOT_USED,
+    OPTION_STYLE_STD)
 
 
 async def test_full_user_flow(
@@ -38,3 +41,20 @@ async def test_full_user_flow(
                                    CONF_STYLE: OPTION_STYLE_STD,
                                    CONF_DARK_MODE: False,
                                    CONF_USE_DEPRECATED_FORECAST: OPTION_DEPRECATED_FORECAST_NOT_USED}
+
+
+async def test_config_entry_migration(hass: HomeAssistant) -> None:
+    """Ensure that config entry migration takes the configuration to the latest version"""
+    entry = MockConfigEntry(
+        title="Home",
+        domain=DOMAIN,
+        data={CONF_ZONE: "zone.home"},
+        unique_id="zone.home",
+        version=1
+    )
+
+    entry.add_to_hass(hass)
+    await async_migrate_entry(hass, entry)
+    result_entry = hass.config_entries.async_get_entry(entry_id=entry.entry_id)
+
+    assert result_entry.version == CONFIG_FLOW_VERSION