diff --git a/.devcontainer/integration/devcontainer.json b/.devcontainer/integration/devcontainer.json
index e4b0567b0..411591b9a 100644
--- a/.devcontainer/integration/devcontainer.json
+++ b/.devcontainer/integration/devcontainer.json
@@ -1,6 +1,6 @@
 {
     "name": "BN Integration",
-    "image": "mcr.microsoft.com/devcontainers/python:3.12",
+    "image": "mcr.microsoft.com/devcontainers/python:dev-3.13",
     "features": {
         "ghcr.io/devcontainers/features/github-cli:1": {
             "installDirectlyFromGitHubRelease": true,
diff --git a/custom_components/battery_notes/config_flow.py b/custom_components/battery_notes/config_flow.py
index ed943b68f..057921d5a 100644
--- a/custom_components/battery_notes/config_flow.py
+++ b/custom_components/battery_notes/config_flow.py
@@ -351,9 +351,7 @@ async def async_step_battery(self, user_input: dict[str, Any] | None = None):
             if source_entity_id:
                 entity_registry = er.async_get(self.hass)
                 entity_entry = entity_registry.async_get(source_entity_id)
-                source_entity_domain, source_object_id = split_entity_id(
-                    source_entity_id
-                )
+                _, source_object_id = split_entity_id(source_entity_id)
                 entity_unique_id = (
                     entity_entry.unique_id or entity_entry.entity_id or source_object_id
                 )
@@ -428,14 +426,12 @@ class OptionsFlowHandler(OptionsFlow):
 
     def __init__(self) -> None:
         """Initialize options flow."""
-        self.current_config: dict = dict(self.config_entry.data)
-        self.source_device_id: str = self.current_config.get(CONF_DEVICE_ID)  # type: ignore
-        self.name: str = self.current_config.get(CONF_NAME)
-        self.battery_type: str = self.current_config.get(CONF_BATTERY_TYPE)
-        self.battery_quantity: int = self.current_config.get(CONF_BATTERY_QUANTITY)
-        self.battery_low_template: str = self.current_config.get(
-            CONF_BATTERY_LOW_TEMPLATE
-        )
+        self.current_config: dict
+        self.source_device_id: str
+        self.name: str
+        self.battery_type: str
+        self.battery_quantity: int
+        self.battery_low_template: str
 
     async def async_step_init(
         self,
@@ -444,6 +440,11 @@ async def async_step_init(
         """Handle options flow."""
         errors = {}
         self.current_config = dict(self.config_entry.data)
+        self.source_device_id = self.current_config.get(CONF_DEVICE_ID)  # type: ignore
+        self.name = self.current_config.get(CONF_NAME)
+        self.battery_type = self.current_config.get(CONF_BATTERY_TYPE)
+        self.battery_quantity = self.current_config.get(CONF_BATTERY_QUANTITY)
+        self.battery_low_template = self.current_config.get(CONF_BATTERY_LOW_TEMPLATE)
 
         if self.source_device_id:
             device_registry = dr.async_get(self.hass)
diff --git a/pyproject.toml b/pyproject.toml
index 734cbba51..69487fed3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,11 +24,10 @@ homeassistant = "2024.12.0"
 python = ">=3.12,<3.13"
 
 [tool.poetry.group.dev.dependencies]
-hass-nabucasa = "0.84.0"
 pre-commit = "4.0.1"
 pre-commit-hooks = "5.0.0"
 pylint = "3.1.0"
-ruff = "0.7.3"
+ruff = "0.8.2"
 
 [tool.poetry.urls]
 "Bug Tracker" = "https://github.com/andrew-codechimp/HA-Battery-Notes/issues"
diff --git a/requirements.txt b/requirements.txt
index be6e81e62..b663c744d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 colorlog>=6.8.2,<7.0
 homeassistant==2024.12.0
-ruff>=0.5.0,<0.8
+ruff>=0.5.0,<0.8.2