diff --git a/custom_components/spook/ectoplasms/homeassistant/services/update_entity_id.py b/custom_components/spook/ectoplasms/homeassistant/services/update_entity_id.py
new file mode 100644
index 00000000..3f14758e
--- /dev/null
+++ b/custom_components/spook/ectoplasms/homeassistant/services/update_entity_id.py
@@ -0,0 +1,33 @@
+"""Spook - Not your homie."""
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+import voluptuous as vol
+
+from homeassistant.components.homeassistant import DOMAIN
+from homeassistant.helpers import config_validation as cv, entity_registry as er
+
+from ....services import AbstractSpookAdminService
+
+if TYPE_CHECKING:
+    from homeassistant.core import ServiceCall
+
+
+class SpookService(AbstractSpookAdminService):
+    """Home Assistant Core integration service to update an entity's ID."""
+
+    domain = DOMAIN
+    service = "update_entity_id"
+    schema = {
+        vol.Required("entity_id"): cv.entity_id,
+        vol.Required("new_entity_id"): cv.entity_id,
+    }
+
+    async def async_handle_service(self, call: ServiceCall) -> None:
+        """Handle the service call."""
+        entity_registry = er.async_get(self.hass)
+        entity_registry.async_update_entity(
+            entity_id=call.data["entity_id"],
+            new_entity_id=call.data["new_entity_id"],
+        )
diff --git a/custom_components/spook/services.yaml b/custom_components/spook/services.yaml
index 95e9e1fa..87111df4 100644
--- a/custom_components/spook/services.yaml
+++ b/custom_components/spook/services.yaml
@@ -224,6 +224,24 @@ homeassistant_enable_device:
       selector:
         device:
 
+homeassistant_update_entity_id:
+  name: Update an entity's ID 👻
+  description: >-
+    Updates an entity's ID on the fly.
+  fields:
+    entity_id:
+      name: Entity
+      description: The entity/entities to update.
+      required: true
+      selector:
+        entity:
+    new_entity_id:
+      name: New Entity ID
+      description: The new ID for the entity
+      required: true
+      selector:
+        text:
+
 homeassistant_disable_entity:
   name: Disable an entity 👻
   description: >-
diff --git a/documentation/entities.md b/documentation/entities.md
index 7365e9da..7ec25832 100644
--- a/documentation/entities.md
+++ b/documentation/entities.md
@@ -266,6 +266,63 @@ data:
 
 :::
 
+### Update an entity's ID
+
+This service allows you to update an entity's ID on the fly.
+
+```{figure} ./images/entities/update_entity_id.png
+:alt: Screenshot of the Home Assistant update entity ID service call in the developer tools.
+:align: center
+```
+
+```{list-table}
+:header-rows: 1
+* - Service properties
+* - {term}`Service`
+  - Update an entity's ID 👻
+* - {term}`Service name`
+  - `homeassistant.update_entity_id`
+* - {term}`Service targets`
+  - No
+* - {term}`Service response`
+  - No response
+* - {term}`Spook's influence`
+  - Newly added service.
+* - {term}`Developer tools`
+  - [Try this service](https://my.home-assistant.io/redirect/developer_call_service/?service=homeassistant.update_entity_id)
+    [![Open your Home Assistant instance and show your service developer tools with a specific service selected.](https://my.home-assistant.io/badges/developer_call_service.svg)](https://my.home-assistant.io/redirect/developer_call_service/?service=homeassistant.update_entity_id)
+```
+
+```{list-table}
+:header-rows: 2
+* - Service call data
+* - Attribute
+  - Type
+  - Required
+  - Default / Example
+* - `entity_id`
+  - {term}`string <string>`
+  - Yes
+  - `"light.living_room"`
+* - `new_entity_id`
+  - {term}`string <string>`
+  - Yes
+  - `"light.dining_room"`
+```
+
+:::{seealso} Example {term}`service call <service call>` in {term}`YAML`
+:class: dropdown
+
+```{code-block} yaml
+:linenos:
+service: homeassistant.update_entity_id
+data:
+  entity_id: light.living_room
+  new_entity_id: light.dining_room
+```
+
+:::
+
 ### Delete all orphaned entities
 
 Mass clean up your Home Assistant by deleting all orphaned entities in one go.
diff --git a/documentation/images/entities/update_entity_id.png b/documentation/images/entities/update_entity_id.png
new file mode 100644
index 00000000..2149ac7a
Binary files /dev/null and b/documentation/images/entities/update_entity_id.png differ
diff --git a/documentation/services.md b/documentation/services.md
index b936836e..0b37b848 100644
--- a/documentation/services.md
+++ b/documentation/services.md
@@ -124,6 +124,12 @@ Do the math... this service does the reverse of [](#entity-hide). _#reveal_
 
 `homeassistant.unhide_entity`, [try this service](https://my.home-assistant.io/redirect/developer_call_service/?service=homeassistant.unhide_entity), [documentation](entities#unhide-an-entity) 📚
 
+## Entity: Update ID
+
+This service can be used to update the ID of an entity on the fly. _#secret_
+
+`homeassistant.hide_entity`, [try this service](https://my.home-assistant.io/redirect/developer_call_service/?service=homeassistant.update_entity_id), [documentation](entities#update-an-entitys_id) 📚
+
 ## Ignore all discovered devices & services
 
 Click ignore on all discovered items on the integration dashboard; optionally only for specific integration (like, `bluetooth`). _#talktothehand_