diff --git a/homeassistant/components/deconz/binary_sensor.py b/homeassistant/components/deconz/binary_sensor.py
index a8cc5bc5808..687c70d76ed 100644
--- a/homeassistant/components/deconz/binary_sensor.py
+++ b/homeassistant/components/deconz/binary_sensor.py
@@ -163,7 +163,7 @@ ENTITY_DESCRIPTIONS = {
 BINARY_SENSOR_DESCRIPTIONS = [
     DeconzBinarySensorDescription(
         key="tampered",
-        value_fn=lambda device: device.tampered,  # type: ignore[no-any-return]
+        value_fn=lambda device: device.tampered,
         suffix="Tampered",
         update_key="tampered",
         device_class=BinarySensorDeviceClass.TAMPER,
@@ -171,7 +171,7 @@ BINARY_SENSOR_DESCRIPTIONS = [
     ),
     DeconzBinarySensorDescription(
         key="low_battery",
-        value_fn=lambda device: device.low_battery,  # type: ignore[no-any-return]
+        value_fn=lambda device: device.low_battery,
         suffix="Low Battery",
         update_key="lowbattery",
         device_class=BinarySensorDeviceClass.BATTERY,
diff --git a/homeassistant/components/deconz/climate.py b/homeassistant/components/deconz/climate.py
index 5c1c0638722..c92fdda336a 100644
--- a/homeassistant/components/deconz/climate.py
+++ b/homeassistant/components/deconz/climate.py
@@ -228,16 +228,16 @@ class DeconzThermostat(DeconzDevice, ClimateEntity):
     @property
     def current_temperature(self) -> float:
         """Return the current temperature."""
-        return self._device.scaled_temperature  # type: ignore[no-any-return]
+        return self._device.scaled_temperature
 
     @property
     def target_temperature(self) -> float | None:
         """Return the target temperature."""
         if self._device.mode == THERMOSTAT_MODE_COOL and self._device.cooling_setpoint:
-            return self._device.cooling_setpoint  # type: ignore[no-any-return]
+            return self._device.cooling_setpoint
 
         if self._device.heating_setpoint:
-            return self._device.heating_setpoint  # type: ignore[no-any-return]
+            return self._device.heating_setpoint
 
         return None
 
diff --git a/homeassistant/components/deconz/cover.py b/homeassistant/components/deconz/cover.py
index 243294de382..b3738b21e59 100644
--- a/homeassistant/components/deconz/cover.py
+++ b/homeassistant/components/deconz/cover.py
@@ -92,7 +92,7 @@ class DeconzCover(DeconzDevice, CoverEntity):
     @property
     def current_cover_position(self) -> int:
         """Return the current position of the cover."""
-        return 100 - self._device.lift  # type: ignore[no-any-return]
+        return 100 - self._device.lift
 
     @property
     def is_closed(self) -> bool:
@@ -120,7 +120,7 @@ class DeconzCover(DeconzDevice, CoverEntity):
     def current_cover_tilt_position(self) -> int | None:
         """Return the current tilt position of the cover."""
         if self._device.tilt is not None:
-            return 100 - self._device.tilt  # type: ignore[no-any-return]
+            return 100 - self._device.tilt
         return None
 
     async def async_set_cover_tilt_position(self, **kwargs: Any) -> None:
diff --git a/homeassistant/components/deconz/deconz_device.py b/homeassistant/components/deconz/deconz_device.py
index c3fab20f678..37e846e8c77 100644
--- a/homeassistant/components/deconz/deconz_device.py
+++ b/homeassistant/components/deconz/deconz_device.py
@@ -31,7 +31,7 @@ class DeconzBase:
     def unique_id(self) -> str:
         """Return a unique identifier for this device."""
         assert not isinstance(self._device, PydeconzScene)
-        return self._device.unique_id  # type: ignore[no-any-return]
+        return self._device.unique_id
 
     @property
     def serial(self) -> str | None:
@@ -39,7 +39,7 @@ class DeconzBase:
         assert not isinstance(self._device, PydeconzScene)
         if not self._device.unique_id or self._device.unique_id.count(":") != 7:
             return None
-        return self._device.unique_id.split("-", 1)[0]  # type: ignore[no-any-return]
+        return self._device.unique_id.split("-", 1)[0]
 
     @property
     def device_info(self) -> DeviceInfo | None:
diff --git a/homeassistant/components/deconz/fan.py b/homeassistant/components/deconz/fan.py
index 4629fc3871e..8f9f4691241 100644
--- a/homeassistant/components/deconz/fan.py
+++ b/homeassistant/components/deconz/fan.py
@@ -92,7 +92,7 @@ class DeconzFan(DeconzDevice, FanEntity):
     @property
     def is_on(self) -> bool:
         """Return true if fan is on."""
-        return self._device.speed != FAN_SPEED_OFF  # type: ignore[no-any-return]
+        return self._device.speed != FAN_SPEED_OFF
 
     @property
     def percentage(self) -> int | None:
diff --git a/homeassistant/components/deconz/light.py b/homeassistant/components/deconz/light.py
index eaa3d7d2e4b..a175d1e4e70 100644
--- a/homeassistant/components/deconz/light.py
+++ b/homeassistant/components/deconz/light.py
@@ -186,12 +186,12 @@ class DeconzBaseLight(Generic[_L], DeconzDevice, LightEntity):
     @property
     def brightness(self) -> int | None:
         """Return the brightness of this light between 0..255."""
-        return self._device.brightness  # type: ignore[no-any-return]
+        return self._device.brightness
 
     @property
     def color_temp(self) -> int | None:
         """Return the CT color value."""
-        return self._device.color_temp  # type: ignore[no-any-return]
+        return self._device.color_temp
 
     @property
     def hs_color(self) -> tuple[float, float] | None:
@@ -203,12 +203,12 @@ class DeconzBaseLight(Generic[_L], DeconzDevice, LightEntity):
     @property
     def xy_color(self) -> tuple[float, float] | None:
         """Return the XY color value."""
-        return self._device.xy  # type: ignore[no-any-return]
+        return self._device.xy
 
     @property
     def is_on(self) -> bool | None:
         """Return true if light is on."""
-        return self._device.state  # type: ignore[no-any-return]
+        return self._device.state
 
     async def async_turn_on(self, **kwargs: Any) -> None:
         """Turn on light."""
diff --git a/homeassistant/components/deconz/lock.py b/homeassistant/components/deconz/lock.py
index 397a600032f..080a4aacbd6 100644
--- a/homeassistant/components/deconz/lock.py
+++ b/homeassistant/components/deconz/lock.py
@@ -93,7 +93,7 @@ class DeconzLock(DeconzDevice, LockEntity):
     @property
     def is_locked(self) -> bool:
         """Return true if lock is on."""
-        return self._device.is_locked  # type: ignore[no-any-return]
+        return self._device.is_locked
 
     async def async_lock(self, **kwargs: Any) -> None:
         """Lock the lock."""
diff --git a/homeassistant/components/deconz/manifest.json b/homeassistant/components/deconz/manifest.json
index 6f5d8e369b5..e26c659ff73 100644
--- a/homeassistant/components/deconz/manifest.json
+++ b/homeassistant/components/deconz/manifest.json
@@ -3,7 +3,7 @@
   "name": "deCONZ",
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/deconz",
-  "requirements": ["pydeconz==88"],
+  "requirements": ["pydeconz==90"],
   "ssdp": [
     {
       "manufacturer": "Royal Philips Electronics"
diff --git a/homeassistant/components/deconz/number.py b/homeassistant/components/deconz/number.py
index 5d3f7eb704f..906c560a840 100644
--- a/homeassistant/components/deconz/number.py
+++ b/homeassistant/components/deconz/number.py
@@ -28,7 +28,7 @@ class DeconzNumberDescriptionMixin:
 
     suffix: str
     update_key: str
-    value_fn: Callable[[Presence], float]
+    value_fn: Callable[[Presence], float | None]
 
 
 @dataclass
@@ -40,7 +40,7 @@ ENTITY_DESCRIPTIONS = {
     Presence: [
         DeconzNumberDescription(
             key="delay",
-            value_fn=lambda device: device.delay,  # type: ignore[no-any-return]
+            value_fn=lambda device: device.delay,
             suffix="Delay",
             update_key=PRESENCE_DELAY,
             max_value=65535,
@@ -100,7 +100,7 @@ async def async_setup_entry(
 
     async_add_sensor(
         [
-            gateway.api.sensors[key]
+            gateway.api.sensors.presence[key]
             for key in sorted(gateway.api.sensors.presence, key=int)
         ]
     )
@@ -132,7 +132,7 @@ class DeconzNumber(DeconzDevice, NumberEntity):
             super().async_update_callback()
 
     @property
-    def value(self) -> float:
+    def value(self) -> float | None:
         """Return the value of the sensor property."""
         return self.entity_description.value_fn(self._device)
 
diff --git a/homeassistant/components/deconz/sensor.py b/homeassistant/components/deconz/sensor.py
index 0e80cf5b456..44af7326312 100644
--- a/homeassistant/components/deconz/sensor.py
+++ b/homeassistant/components/deconz/sensor.py
@@ -216,7 +216,7 @@ ENTITY_DESCRIPTIONS = {
 SENSOR_DESCRIPTIONS = [
     DeconzSensorDescription(
         key="battery",
-        value_fn=lambda device: device.battery,  # type: ignore[no-any-return]
+        value_fn=lambda device: device.battery,
         suffix="Battery",
         update_key="battery",
         device_class=SensorDeviceClass.BATTERY,
@@ -226,7 +226,7 @@ SENSOR_DESCRIPTIONS = [
     ),
     DeconzSensorDescription(
         key="secondary_temperature",
-        value_fn=lambda device: device.secondary_temperature,  # type: ignore[no-any-return]
+        value_fn=lambda device: device.secondary_temperature,
         suffix="Temperature",
         update_key="temperature",
         device_class=SensorDeviceClass.TEMPERATURE,
@@ -354,9 +354,9 @@ class DeconzSensor(DeconzDevice, SensorEntity):
     def native_value(self) -> StateType | datetime:
         """Return the state of the sensor."""
         if self.entity_description.device_class is SensorDeviceClass.TIMESTAMP:
-            return dt_util.parse_datetime(
-                self.entity_description.value_fn(self._device)  # type: ignore[arg-type]
-            )
+            value = self.entity_description.value_fn(self._device)
+            assert isinstance(value, str)
+            return dt_util.parse_datetime(value)
         return self.entity_description.value_fn(self._device)
 
     @property
diff --git a/homeassistant/components/deconz/siren.py b/homeassistant/components/deconz/siren.py
index 18121d989a8..52daeca4760 100644
--- a/homeassistant/components/deconz/siren.py
+++ b/homeassistant/components/deconz/siren.py
@@ -73,7 +73,7 @@ class DeconzSiren(DeconzDevice, SirenEntity):
     @property
     def is_on(self) -> bool:
         """Return true if siren is on."""
-        return self._device.is_on  # type: ignore[no-any-return]
+        return self._device.is_on
 
     async def async_turn_on(self, **kwargs: Any) -> None:
         """Turn on siren."""
diff --git a/homeassistant/components/deconz/switch.py b/homeassistant/components/deconz/switch.py
index 5326243a8ba..8d405578be8 100644
--- a/homeassistant/components/deconz/switch.py
+++ b/homeassistant/components/deconz/switch.py
@@ -80,7 +80,7 @@ class DeconzPowerPlug(DeconzDevice, SwitchEntity):
     @property
     def is_on(self) -> bool:
         """Return true if switch is on."""
-        return self._device.on  # type: ignore[no-any-return]
+        return self._device.on
 
     async def async_turn_on(self, **kwargs: Any) -> None:
         """Turn on switch."""
diff --git a/requirements_all.txt b/requirements_all.txt
index 8792afd1076..5a123990024 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1426,7 +1426,7 @@ pydaikin==2.7.0
 pydanfossair==0.1.0
 
 # homeassistant.components.deconz
-pydeconz==88
+pydeconz==90
 
 # homeassistant.components.delijn
 pydelijn==1.0.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index deb527113ed..e84eddc9af1 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -947,7 +947,7 @@ pycoolmasternet-async==0.1.2
 pydaikin==2.7.0
 
 # homeassistant.components.deconz
-pydeconz==88
+pydeconz==90
 
 # homeassistant.components.dexcom
 pydexcom==0.2.3