diff --git a/homeassistant/components/demo/update.py b/homeassistant/components/demo/update.py
index e0f5814c63d..648ad59bb55 100644
--- a/homeassistant/components/demo/update.py
+++ b/homeassistant/components/demo/update.py
@@ -31,7 +31,7 @@ async def async_setup_platform(
                 unique_id="update_no_install",
                 name="Demo Update No Install",
                 title="Awesomesoft Inc.",
-                current_version="1.0.0",
+                installed_version="1.0.0",
                 latest_version="1.0.1",
                 release_summary="Awesome update, fixing everything!",
                 release_url="https://www.example.com/release/1.0.1",
@@ -41,14 +41,14 @@ async def async_setup_platform(
                 unique_id="update_2_date",
                 name="Demo No Update",
                 title="AdGuard Home",
-                current_version="1.0.0",
+                installed_version="1.0.0",
                 latest_version="1.0.0",
             ),
             DemoUpdate(
                 unique_id="update_addon",
                 name="Demo add-on",
                 title="AdGuard Home",
-                current_version="1.0.0",
+                installed_version="1.0.0",
                 latest_version="1.0.1",
                 release_summary="Awesome update, fixing everything!",
                 release_url="https://www.example.com/release/1.0.1",
@@ -57,7 +57,7 @@ async def async_setup_platform(
                 unique_id="update_light_bulb",
                 name="Demo Living Room Bulb Update",
                 title="Philips Lamps Firmware",
-                current_version="1.93.3",
+                installed_version="1.93.3",
                 latest_version="1.94.2",
                 release_summary="Added support for effects",
                 release_url="https://www.example.com/release/1.93.3",
@@ -67,7 +67,7 @@ async def async_setup_platform(
                 unique_id="update_support_progress",
                 name="Demo Update with Progress",
                 title="Philips Lamps Firmware",
-                current_version="1.93.3",
+                installed_version="1.93.3",
                 latest_version="1.94.2",
                 support_progress=True,
                 release_summary="Added support for effects",
@@ -104,7 +104,7 @@ class DemoUpdate(UpdateEntity):
         unique_id: str,
         name: str,
         title: str | None,
-        current_version: str | None,
+        installed_version: str | None,
         latest_version: str | None,
         release_summary: str | None = None,
         release_url: str | None = None,
@@ -114,7 +114,7 @@ class DemoUpdate(UpdateEntity):
         device_class: UpdateDeviceClass | None = None,
     ) -> None:
         """Initialize the Demo select entity."""
-        self._attr_current_version = current_version
+        self._attr_installed_version = installed_version
         self._attr_device_class = device_class
         self._attr_latest_version = latest_version
         self._attr_name = name or DEVICE_DEFAULT_NAME
@@ -149,7 +149,7 @@ class DemoUpdate(UpdateEntity):
                 await _fake_install()
 
         self._attr_in_progress = False
-        self._attr_current_version = (
+        self._attr_installed_version = (
             version if version is not None else self.latest_version
         )
         self.async_write_ha_state()
diff --git a/homeassistant/components/hassio/update.py b/homeassistant/components/hassio/update.py
index d2953a0f801..8af3d88088a 100644
--- a/homeassistant/components/hassio/update.py
+++ b/homeassistant/components/hassio/update.py
@@ -116,8 +116,8 @@ class SupervisorAddonUpdateEntity(HassioAddonEntity, UpdateEntity):
         return self._addon_data[ATTR_VERSION_LATEST]
 
     @property
-    def current_version(self) -> str | None:
-        """Version currently in use."""
+    def installed_version(self) -> str | None:
+        """Version installed and in use."""
         return self._addon_data[ATTR_VERSION]
 
     @property
@@ -139,9 +139,12 @@ class SupervisorAddonUpdateEntity(HassioAddonEntity, UpdateEntity):
         if (notes := self._addon_data[ATTR_CHANGELOG]) is None:
             return None
 
-        if f"# {self.latest_version}" in notes and f"# {self.current_version}" in notes:
+        if (
+            f"# {self.latest_version}" in notes
+            and f"# {self.installed_version}" in notes
+        ):
             # Split the release notes to only what is between the versions if we can
-            new_notes = notes.split(f"# {self.current_version}")[0]
+            new_notes = notes.split(f"# {self.installed_version}")[0]
             if f"# {self.latest_version}" in new_notes:
                 # Make sure the latest version is still there.
                 # This can be False if the order of the release notes are not correct
@@ -182,7 +185,7 @@ class SupervisorOSUpdateEntity(HassioOSEntity, UpdateEntity):
         return self.coordinator.data[DATA_KEY_OS][ATTR_VERSION_LATEST]
 
     @property
-    def current_version(self) -> str:
+    def installed_version(self) -> str:
         """Return native value of entity."""
         return self.coordinator.data[DATA_KEY_OS][ATTR_VERSION]
 
@@ -226,7 +229,7 @@ class SupervisorSupervisorUpdateEntity(HassioSupervisorEntity, UpdateEntity):
         return self.coordinator.data[DATA_KEY_SUPERVISOR][ATTR_VERSION_LATEST]
 
     @property
-    def current_version(self) -> str:
+    def installed_version(self) -> str:
         """Return native value of entity."""
         return self.coordinator.data[DATA_KEY_SUPERVISOR][ATTR_VERSION]
 
@@ -271,7 +274,7 @@ class SupervisorCoreUpdateEntity(HassioCoreEntity, UpdateEntity):
         return self.coordinator.data[DATA_KEY_CORE][ATTR_VERSION_LATEST]
 
     @property
-    def current_version(self) -> str:
+    def installed_version(self) -> str:
         """Return native value of entity."""
         return self.coordinator.data[DATA_KEY_CORE][ATTR_VERSION]
 
diff --git a/homeassistant/components/pi_hole/update.py b/homeassistant/components/pi_hole/update.py
index 14e6761f7c5..6bb424f15b1 100644
--- a/homeassistant/components/pi_hole/update.py
+++ b/homeassistant/components/pi_hole/update.py
@@ -22,7 +22,7 @@ from .const import DATA_KEY_API, DATA_KEY_COORDINATOR, DOMAIN
 class PiHoleUpdateEntityDescription(UpdateEntityDescription):
     """Describes PiHole update entity."""
 
-    current_version: Callable[[dict], str | None] = lambda api: None
+    installed_version: Callable[[dict], str | None] = lambda api: None
     latest_version: Callable[[dict], str | None] = lambda api: None
     release_base_url: str | None = None
     title: str | None = None
@@ -34,7 +34,7 @@ UPDATE_ENTITY_TYPES: tuple[PiHoleUpdateEntityDescription, ...] = (
         name="Core Update Available",
         title="Pi-hole Core",
         entity_category=EntityCategory.DIAGNOSTIC,
-        current_version=lambda versions: versions.get("core_current"),
+        installed_version=lambda versions: versions.get("core_current"),
         latest_version=lambda versions: versions.get("core_latest"),
         release_base_url="https://github.com/pi-hole/pi-hole/releases/tag",
     ),
@@ -43,7 +43,7 @@ UPDATE_ENTITY_TYPES: tuple[PiHoleUpdateEntityDescription, ...] = (
         name="Web Update Available",
         title="Pi-hole Web interface",
         entity_category=EntityCategory.DIAGNOSTIC,
-        current_version=lambda versions: versions.get("web_current"),
+        installed_version=lambda versions: versions.get("web_current"),
         latest_version=lambda versions: versions.get("web_latest"),
         release_base_url="https://github.com/pi-hole/AdminLTE/releases/tag",
     ),
@@ -52,7 +52,7 @@ UPDATE_ENTITY_TYPES: tuple[PiHoleUpdateEntityDescription, ...] = (
         name="FTL Update Available",
         title="Pi-hole FTL DNS",
         entity_category=EntityCategory.DIAGNOSTIC,
-        current_version=lambda versions: versions.get("FTL_current"),
+        installed_version=lambda versions: versions.get("FTL_current"),
         latest_version=lambda versions: versions.get("FTL_latest"),
         release_base_url="https://github.com/pi-hole/FTL/releases/tag",
     ),
@@ -100,10 +100,10 @@ class PiHoleUpdateEntity(PiHoleEntity, UpdateEntity):
         self._attr_title = description.title
 
     @property
-    def current_version(self) -> str | None:
-        """Version currently in use."""
+    def installed_version(self) -> str | None:
+        """Version installed and in use."""
         if isinstance(self.api.versions, dict):
-            return self.entity_description.current_version(self.api.versions)
+            return self.entity_description.installed_version(self.api.versions)
         return None
 
     @property
diff --git a/homeassistant/components/synology_dsm/update.py b/homeassistant/components/synology_dsm/update.py
index a4a958b8c1a..836468d6f50 100644
--- a/homeassistant/components/synology_dsm/update.py
+++ b/homeassistant/components/synology_dsm/update.py
@@ -55,15 +55,15 @@ class SynoDSMUpdateEntity(SynologyDSMBaseEntity, UpdateEntity):
     _attr_title = "Synology DSM"
 
     @property
-    def current_version(self) -> str | None:
-        """Version currently in use."""
+    def installed_version(self) -> str | None:
+        """Version installed and in use."""
         return self._api.information.version_string  # type: ignore[no-any-return]
 
     @property
     def latest_version(self) -> str | None:
         """Latest version available for install."""
         if not self._api.upgrade.update_available:
-            return self.current_version
+            return self.installed_version
         return self._api.upgrade.available_version  # type: ignore[no-any-return]
 
     @property
diff --git a/homeassistant/components/update/__init__.py b/homeassistant/components/update/__init__.py
index 6b30f45b023..6d4b36e3411 100644
--- a/homeassistant/components/update/__init__.py
+++ b/homeassistant/components/update/__init__.py
@@ -28,8 +28,8 @@ from homeassistant.helpers.typing import ConfigType
 from .const import (
     ATTR_AUTO_UPDATE,
     ATTR_BACKUP,
-    ATTR_CURRENT_VERSION,
     ATTR_IN_PROGRESS,
+    ATTR_INSTALLED_VERSION,
     ATTR_LATEST_VERSION,
     ATTR_RELEASE_SUMMARY,
     ATTR_RELEASE_URL,
@@ -117,7 +117,8 @@ async def async_install(entity: UpdateEntity, service_call: ServiceCall) -> None
     """Service call wrapper to validate the call."""
     # If version is not specified, but no update is available.
     if (version := service_call.data.get(ATTR_VERSION)) is None and (
-        entity.current_version == entity.latest_version or entity.latest_version is None
+        entity.installed_version == entity.latest_version
+        or entity.latest_version is None
     ):
         raise HomeAssistantError(f"No update available for {entity.name}")
 
@@ -165,7 +166,7 @@ class UpdateEntity(RestoreEntity):
 
     entity_description: UpdateEntityDescription
     _attr_auto_update: bool = False
-    _attr_current_version: str | None = None
+    _attr_installed_version: str | None = None
     _attr_device_class: UpdateDeviceClass | str | None
     _attr_in_progress: bool | int = False
     _attr_latest_version: str | None = None
@@ -183,9 +184,9 @@ class UpdateEntity(RestoreEntity):
         return self._attr_auto_update
 
     @property
-    def current_version(self) -> str | None:
-        """Version currently in use."""
-        return self._attr_current_version
+    def installed_version(self) -> str | None:
+        """Version installed and in use."""
+        return self._attr_installed_version
 
     @property
     def device_class(self) -> UpdateDeviceClass | str | None:
@@ -256,7 +257,7 @@ class UpdateEntity(RestoreEntity):
         """Skip the current offered version to update."""
         if (latest_version := self.latest_version) is None:
             raise HomeAssistantError(f"Cannot skip an unknown version for {self.name}")
-        if self.current_version == latest_version:
+        if self.installed_version == latest_version:
             raise HomeAssistantError(f"No update available to skip for {self.name}")
         self.__skipped_version = latest_version
         self.async_write_ha_state()
@@ -305,7 +306,7 @@ class UpdateEntity(RestoreEntity):
     @final
     def state(self) -> str | None:
         """Return the entity state."""
-        if (current_version := self.current_version) is None or (
+        if (installed_version := self.installed_version) is None or (
             latest_version := self.latest_version
         ) is None:
             return None
@@ -314,11 +315,11 @@ class UpdateEntity(RestoreEntity):
             return STATE_OFF
 
         try:
-            newer = AwesomeVersion(latest_version) > current_version
+            newer = AwesomeVersion(latest_version) > installed_version
             return STATE_ON if newer else STATE_OFF
         except AwesomeVersionCompareException:
             # Can't compare versions, fallback to exact match
-            return STATE_OFF if latest_version == current_version else STATE_ON
+            return STATE_OFF if latest_version == installed_version else STATE_ON
 
     @final
     @property
@@ -334,17 +335,17 @@ class UpdateEntity(RestoreEntity):
         else:
             in_progress = self.__in_progress
 
-        # Clear skipped version in case it matches the current version or
-        # the latest version diverged.
+        # Clear skipped version in case it matches the current installed
+        # version or the latest version diverged.
         if (
-            self.__skipped_version == self.current_version
+            self.__skipped_version == self.installed_version
             or self.__skipped_version != self.latest_version
         ):
             self.__skipped_version = None
 
         return {
             ATTR_AUTO_UPDATE: self.auto_update,
-            ATTR_CURRENT_VERSION: self.current_version,
+            ATTR_INSTALLED_VERSION: self.installed_version,
             ATTR_IN_PROGRESS: in_progress,
             ATTR_LATEST_VERSION: self.latest_version,
             ATTR_RELEASE_SUMMARY: release_summary,
diff --git a/homeassistant/components/update/const.py b/homeassistant/components/update/const.py
index 916d2cbaceb..aec3c183a63 100644
--- a/homeassistant/components/update/const.py
+++ b/homeassistant/components/update/const.py
@@ -22,7 +22,7 @@ SERVICE_SKIP: Final = "skip"
 
 ATTR_AUTO_UPDATE: Final = "auto_update"
 ATTR_BACKUP: Final = "backup"
-ATTR_CURRENT_VERSION: Final = "current_version"
+ATTR_INSTALLED_VERSION: Final = "installed_version"
 ATTR_IN_PROGRESS: Final = "in_progress"
 ATTR_LATEST_VERSION: Final = "latest_version"
 ATTR_RELEASE_SUMMARY: Final = "release_summary"
diff --git a/homeassistant/components/update/significant_change.py b/homeassistant/components/update/significant_change.py
index 400734f2e43..8b37d227a1f 100644
--- a/homeassistant/components/update/significant_change.py
+++ b/homeassistant/components/update/significant_change.py
@@ -5,7 +5,7 @@ from typing import Any
 
 from homeassistant.core import HomeAssistant, callback
 
-from .const import ATTR_CURRENT_VERSION, ATTR_LATEST_VERSION
+from .const import ATTR_INSTALLED_VERSION, ATTR_LATEST_VERSION
 
 
 @callback
@@ -21,7 +21,7 @@ def async_check_significant_change(
     if old_state != new_state:
         return True
 
-    if old_attrs.get(ATTR_CURRENT_VERSION) != new_attrs.get(ATTR_CURRENT_VERSION):
+    if old_attrs.get(ATTR_INSTALLED_VERSION) != new_attrs.get(ATTR_INSTALLED_VERSION):
         return True
 
     if old_attrs.get(ATTR_LATEST_VERSION) != new_attrs.get(ATTR_LATEST_VERSION):
diff --git a/homeassistant/components/wled/update.py b/homeassistant/components/wled/update.py
index 098f2ca3831..f0fc532b3b3 100644
--- a/homeassistant/components/wled/update.py
+++ b/homeassistant/components/wled/update.py
@@ -44,8 +44,8 @@ class WLEDUpdateEntity(WLEDEntity, UpdateEntity):
         self._attr_unique_id = coordinator.data.info.mac_address
 
     @property
-    def current_version(self) -> str | None:
-        """Version currently in use."""
+    def installed_version(self) -> str | None:
+        """Version currently installed and in use."""
         if (version := self.coordinator.data.info.version) is None:
             return None
         return str(version)
diff --git a/tests/components/demo/test_update.py b/tests/components/demo/test_update.py
index 37e0ea903d1..ebee402049c 100644
--- a/tests/components/demo/test_update.py
+++ b/tests/components/demo/test_update.py
@@ -5,8 +5,8 @@ import pytest
 
 from homeassistant.components.update import DOMAIN, SERVICE_INSTALL, UpdateDeviceClass
 from homeassistant.components.update.const import (
-    ATTR_CURRENT_VERSION,
     ATTR_IN_PROGRESS,
+    ATTR_INSTALLED_VERSION,
     ATTR_LATEST_VERSION,
     ATTR_RELEASE_SUMMARY,
     ATTR_RELEASE_URL,
@@ -31,7 +31,7 @@ def test_setup_params(hass: HomeAssistant) -> None:
     assert state
     assert state.state == STATE_ON
     assert state.attributes[ATTR_TITLE] == "Awesomesoft Inc."
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.1"
     assert (
         state.attributes[ATTR_RELEASE_SUMMARY] == "Awesome update, fixing everything!"
@@ -42,7 +42,7 @@ def test_setup_params(hass: HomeAssistant) -> None:
     assert state
     assert state.state == STATE_OFF
     assert state.attributes[ATTR_TITLE] == "AdGuard Home"
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.0"
     assert state.attributes[ATTR_RELEASE_SUMMARY] is None
     assert state.attributes[ATTR_RELEASE_URL] is None
@@ -51,7 +51,7 @@ def test_setup_params(hass: HomeAssistant) -> None:
     assert state
     assert state.state == STATE_ON
     assert state.attributes[ATTR_TITLE] == "AdGuard Home"
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.1"
     assert (
         state.attributes[ATTR_RELEASE_SUMMARY] == "Awesome update, fixing everything!"
@@ -62,7 +62,7 @@ def test_setup_params(hass: HomeAssistant) -> None:
     assert state
     assert state.state == STATE_ON
     assert state.attributes[ATTR_TITLE] == "Philips Lamps Firmware"
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.93.3"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.93.3"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.94.2"
     assert state.attributes[ATTR_RELEASE_SUMMARY] == "Added support for effects"
     assert (
@@ -74,7 +74,7 @@ def test_setup_params(hass: HomeAssistant) -> None:
     assert state
     assert state.state == STATE_ON
     assert state.attributes[ATTR_TITLE] == "Philips Lamps Firmware"
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.93.3"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.93.3"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.94.2"
     assert state.attributes[ATTR_RELEASE_SUMMARY] == "Added support for effects"
     assert (
diff --git a/tests/components/pi_hole/test_update.py b/tests/components/pi_hole/test_update.py
index 375104a9ce0..8da4ec263d5 100644
--- a/tests/components/pi_hole/test_update.py
+++ b/tests/components/pi_hole/test_update.py
@@ -20,7 +20,7 @@ async def test_update(hass):
     state = hass.states.get("update.pi_hole_core_update_available")
     assert state.name == "Pi-Hole Core Update Available"
     assert state.state == STATE_ON
-    assert state.attributes["current_version"] == "v5.5"
+    assert state.attributes["installed_version"] == "v5.5"
     assert state.attributes["latest_version"] == "v5.6"
     assert (
         state.attributes["release_url"]
@@ -30,7 +30,7 @@ async def test_update(hass):
     state = hass.states.get("update.pi_hole_ftl_update_available")
     assert state.name == "Pi-Hole FTL Update Available"
     assert state.state == STATE_ON
-    assert state.attributes["current_version"] == "v5.10"
+    assert state.attributes["installed_version"] == "v5.10"
     assert state.attributes["latest_version"] == "v5.11"
     assert (
         state.attributes["release_url"]
@@ -40,7 +40,7 @@ async def test_update(hass):
     state = hass.states.get("update.pi_hole_web_update_available")
     assert state.name == "Pi-Hole Web Update Available"
     assert state.state == STATE_ON
-    assert state.attributes["current_version"] == "v5.7"
+    assert state.attributes["installed_version"] == "v5.7"
     assert state.attributes["latest_version"] == "v5.8"
     assert (
         state.attributes["release_url"]
@@ -61,20 +61,20 @@ async def test_update_no_versions(hass):
     state = hass.states.get("update.pi_hole_core_update_available")
     assert state.name == "Pi-Hole Core Update Available"
     assert state.state == STATE_UNKNOWN
-    assert state.attributes["current_version"] is None
+    assert state.attributes["installed_version"] is None
     assert state.attributes["latest_version"] is None
     assert state.attributes["release_url"] is None
 
     state = hass.states.get("update.pi_hole_ftl_update_available")
     assert state.name == "Pi-Hole FTL Update Available"
     assert state.state == STATE_UNKNOWN
-    assert state.attributes["current_version"] is None
+    assert state.attributes["installed_version"] is None
     assert state.attributes["latest_version"] is None
     assert state.attributes["release_url"] is None
 
     state = hass.states.get("update.pi_hole_web_update_available")
     assert state.name == "Pi-Hole Web Update Available"
     assert state.state == STATE_UNKNOWN
-    assert state.attributes["current_version"] is None
+    assert state.attributes["installed_version"] is None
     assert state.attributes["latest_version"] is None
     assert state.attributes["release_url"] is None
diff --git a/tests/components/update/test_init.py b/tests/components/update/test_init.py
index b8db7f24f4a..3a40b51cca2 100644
--- a/tests/components/update/test_init.py
+++ b/tests/components/update/test_init.py
@@ -17,8 +17,8 @@ from homeassistant.components.update import (
 )
 from homeassistant.components.update.const import (
     ATTR_AUTO_UPDATE,
-    ATTR_CURRENT_VERSION,
     ATTR_IN_PROGRESS,
+    ATTR_INSTALLED_VERSION,
     ATTR_LATEST_VERSION,
     ATTR_RELEASE_SUMMARY,
     ATTR_RELEASE_URL,
@@ -51,14 +51,14 @@ async def test_update(hass: HomeAssistant) -> None:
     update = MockUpdateEntity()
     update.hass = hass
 
-    update._attr_current_version = "1.0.0"
+    update._attr_installed_version = "1.0.0"
     update._attr_latest_version = "1.0.1"
     update._attr_release_summary = "Summary"
     update._attr_release_url = "https://example.com"
     update._attr_title = "Title"
 
     assert update.entity_category is EntityCategory.DIAGNOSTIC
-    assert update.current_version == "1.0.0"
+    assert update.installed_version == "1.0.0"
     assert update.latest_version == "1.0.1"
     assert update.release_summary == "Summary"
     assert update.release_url == "https://example.com"
@@ -67,7 +67,7 @@ async def test_update(hass: HomeAssistant) -> None:
     assert update.state == STATE_ON
     assert update.state_attributes == {
         ATTR_AUTO_UPDATE: False,
-        ATTR_CURRENT_VERSION: "1.0.0",
+        ATTR_INSTALLED_VERSION: "1.0.0",
         ATTR_IN_PROGRESS: False,
         ATTR_LATEST_VERSION: "1.0.1",
         ATTR_RELEASE_SUMMARY: "Summary",
@@ -77,27 +77,27 @@ async def test_update(hass: HomeAssistant) -> None:
     }
 
     # Test no update available
-    update._attr_current_version = "1.0.0"
+    update._attr_installed_version = "1.0.0"
     update._attr_latest_version = "1.0.0"
     assert update.state is STATE_OFF
 
-    # Test state becomes unknown if current version is unknown
-    update._attr_current_version = None
+    # Test state becomes unknown if installed version is unknown
+    update._attr_installed_version = None
     update._attr_latest_version = "1.0.0"
     assert update.state is None
 
     # Test state becomes unknown if latest version is unknown
-    update._attr_current_version = "1.0.0"
+    update._attr_installed_version = "1.0.0"
     update._attr_latest_version = None
     assert update.state is None
 
     # Test no update if new version is not an update
-    update._attr_current_version = "1.0.0"
+    update._attr_installed_version = "1.0.0"
     update._attr_latest_version = "0.9.0"
     assert update.state is STATE_OFF
 
     # Test update if new version is not considered a valid version
-    update._attr_current_version = "1.0.0"
+    update._attr_installed_version = "1.0.0"
     update._attr_latest_version = "awesome_update"
     assert update.state is STATE_ON
 
@@ -159,7 +159,7 @@ async def test_entity_with_no_install(
     state = hass.states.get("update.update_no_install")
     assert state
     assert state.state == STATE_ON
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.1"
 
     # Should not be able to install as the entity doesn't support that
@@ -175,7 +175,7 @@ async def test_entity_with_no_install(
     state = hass.states.get("update.update_no_install")
     assert state
     assert state.state == STATE_ON
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.1"
     assert state.attributes[ATTR_SKIPPED_VERSION] is None
 
@@ -190,7 +190,7 @@ async def test_entity_with_no_install(
     state = hass.states.get("update.update_no_install")
     assert state
     assert state.state == STATE_OFF
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.1"
     assert state.attributes[ATTR_SKIPPED_VERSION] == "1.0.1"
 
@@ -210,7 +210,7 @@ async def test_entity_with_no_updates(
     state = hass.states.get("update.no_update")
     assert state
     assert state.state == STATE_OFF
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.0"
 
     # Should not be able to skip when there is no update available
@@ -259,7 +259,7 @@ async def test_entity_with_auto_update(
     state = hass.states.get("update.update_with_auto_update")
     assert state
     assert state.state == STATE_ON
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.1"
     assert state.attributes[ATTR_SKIPPED_VERSION] is None
 
@@ -300,7 +300,7 @@ async def test_entity_with_updates_available(
     state = hass.states.get("update.update_available")
     assert state
     assert state.state == STATE_ON
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.1"
     assert state.attributes[ATTR_SKIPPED_VERSION] is None
 
@@ -316,7 +316,7 @@ async def test_entity_with_updates_available(
     state = hass.states.get("update.update_available")
     assert state
     assert state.state == STATE_OFF
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.1"
     assert state.attributes[ATTR_SKIPPED_VERSION] == "1.0.1"
 
@@ -332,7 +332,7 @@ async def test_entity_with_updates_available(
     state = hass.states.get("update.update_available")
     assert state
     assert state.state == STATE_OFF
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.1"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.1"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.1"
     assert state.attributes[ATTR_SKIPPED_VERSION] is None
     assert "Installed latest update" in caplog.text
@@ -353,7 +353,7 @@ async def test_entity_with_unknown_version(
     state = hass.states.get("update.update_unknown")
     assert state
     assert state.state == STATE_UNKNOWN
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] is None
     assert state.attributes[ATTR_SKIPPED_VERSION] is None
 
@@ -391,7 +391,7 @@ async def test_entity_with_specific_version(
     state = hass.states.get("update.update_specific_version")
     assert state
     assert state.state == STATE_OFF
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.0"
 
     # Update to a specific version
@@ -406,7 +406,7 @@ async def test_entity_with_specific_version(
     state = hass.states.get("update.update_specific_version")
     assert state
     assert state.state == STATE_ON
-    assert state.attributes[ATTR_CURRENT_VERSION] == "0.9.9"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "0.9.9"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.0"
     assert "Installed update with version: 0.9.9" in caplog.text
 
@@ -421,7 +421,7 @@ async def test_entity_with_specific_version(
     state = hass.states.get("update.update_specific_version")
     assert state
     assert state.state == STATE_OFF
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.0"
     assert "Installed latest update" in caplog.text
 
@@ -455,7 +455,7 @@ async def test_entity_with_backup_support(
     state = hass.states.get("update.update_backup")
     assert state
     assert state.state == STATE_ON
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.1"
 
     # Without a backup
@@ -472,7 +472,7 @@ async def test_entity_with_backup_support(
     state = hass.states.get("update.update_backup")
     assert state
     assert state.state == STATE_OFF
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.1"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.1"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.1"
     assert "Creating backup before installing update" not in caplog.text
     assert "Installed latest update" in caplog.text
@@ -493,7 +493,7 @@ async def test_entity_with_backup_support(
     state = hass.states.get("update.update_backup")
     assert state
     assert state.state == STATE_ON
-    assert state.attributes[ATTR_CURRENT_VERSION] == "0.9.8"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "0.9.8"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.1"
     assert "Creating backup before installing update" in caplog.text
     assert "Installed update with version: 0.9.8" in caplog.text
@@ -514,7 +514,7 @@ async def test_entity_already_in_progress(
     state = hass.states.get("update.update_already_in_progress")
     assert state
     assert state.state == STATE_ON
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.1"
     assert state.attributes[ATTR_IN_PROGRESS] == 50
 
@@ -559,14 +559,14 @@ async def test_entity_without_progress_support(
 
     assert len(events) == 2
     assert events[0].data.get("old_state").attributes[ATTR_IN_PROGRESS] is False
-    assert events[0].data.get("old_state").attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert events[0].data.get("old_state").attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert events[0].data.get("new_state").attributes[ATTR_IN_PROGRESS] is True
-    assert events[0].data.get("new_state").attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert events[0].data.get("new_state").attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
 
     assert events[1].data.get("old_state").attributes[ATTR_IN_PROGRESS] is True
-    assert events[1].data.get("old_state").attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert events[1].data.get("old_state").attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert events[1].data.get("new_state").attributes[ATTR_IN_PROGRESS] is False
-    assert events[1].data.get("new_state").attributes[ATTR_CURRENT_VERSION] == "1.0.1"
+    assert events[1].data.get("new_state").attributes[ATTR_INSTALLED_VERSION] == "1.0.1"
 
 
 async def test_entity_without_progress_support_raising(
@@ -602,14 +602,14 @@ async def test_entity_without_progress_support_raising(
 
     assert len(events) == 2
     assert events[0].data.get("old_state").attributes[ATTR_IN_PROGRESS] is False
-    assert events[0].data.get("old_state").attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert events[0].data.get("old_state").attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert events[0].data.get("new_state").attributes[ATTR_IN_PROGRESS] is True
-    assert events[0].data.get("new_state").attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert events[0].data.get("new_state").attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
 
     assert events[1].data.get("old_state").attributes[ATTR_IN_PROGRESS] is True
-    assert events[1].data.get("old_state").attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert events[1].data.get("old_state").attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert events[1].data.get("new_state").attributes[ATTR_IN_PROGRESS] is False
-    assert events[1].data.get("new_state").attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert events[1].data.get("new_state").attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
 
 
 async def test_restore_state(
@@ -638,7 +638,7 @@ async def test_restore_state(
     state = hass.states.get("update.update_available")
     assert state
     assert state.state == STATE_OFF
-    assert state.attributes[ATTR_CURRENT_VERSION] == "1.0.0"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "1.0.0"
     assert state.attributes[ATTR_LATEST_VERSION] == "1.0.1"
     assert state.attributes[ATTR_SKIPPED_VERSION] == "1.0.1"
 
diff --git a/tests/components/update/test_recorder.py b/tests/components/update/test_recorder.py
index 17ab7445b4b..6d4ec567182 100644
--- a/tests/components/update/test_recorder.py
+++ b/tests/components/update/test_recorder.py
@@ -6,8 +6,8 @@ from datetime import timedelta
 from homeassistant.components.recorder.models import StateAttributes, States
 from homeassistant.components.recorder.util import session_scope
 from homeassistant.components.update.const import (
-    ATTR_CURRENT_VERSION,
     ATTR_IN_PROGRESS,
+    ATTR_INSTALLED_VERSION,
     ATTR_RELEASE_SUMMARY,
     DOMAIN,
 )
@@ -52,4 +52,4 @@ async def test_exclude_attributes(
     for state in states:
         assert ATTR_IN_PROGRESS not in state.attributes
         assert ATTR_RELEASE_SUMMARY not in state.attributes
-        assert ATTR_CURRENT_VERSION in state.attributes
+        assert ATTR_INSTALLED_VERSION in state.attributes
diff --git a/tests/components/update/test_significant_change.py b/tests/components/update/test_significant_change.py
index 699d3e60f57..35e601f4789 100644
--- a/tests/components/update/test_significant_change.py
+++ b/tests/components/update/test_significant_change.py
@@ -1,7 +1,7 @@
 """Test the update significant change platform."""
 from homeassistant.components.update.const import (
-    ATTR_CURRENT_VERSION,
     ATTR_IN_PROGRESS,
+    ATTR_INSTALLED_VERSION,
     ATTR_LATEST_VERSION,
     ATTR_RELEASE_SUMMARY,
     ATTR_RELEASE_URL,
@@ -23,7 +23,7 @@ async def test_significant_change(hass: HomeAssistant) -> None:
     assert not async_check_significant_change(hass, STATE_ON, {}, STATE_ON, {})
 
     attrs = {
-        ATTR_CURRENT_VERSION: "1.0.0",
+        ATTR_INSTALLED_VERSION: "1.0.0",
         ATTR_IN_PROGRESS: False,
         ATTR_LATEST_VERSION: "1.0.1",
         ATTR_RELEASE_SUMMARY: "Fixes!",
@@ -38,7 +38,7 @@ async def test_significant_change(hass: HomeAssistant) -> None:
         STATE_ON,
         attrs,
         STATE_ON,
-        attrs.copy() | {ATTR_CURRENT_VERSION: "1.0.1"},
+        attrs.copy() | {ATTR_INSTALLED_VERSION: "1.0.1"},
     )
 
     assert async_check_significant_change(
diff --git a/tests/components/wled/test_update.py b/tests/components/wled/test_update.py
index fea6180048e..452aeba6a80 100644
--- a/tests/components/wled/test_update.py
+++ b/tests/components/wled/test_update.py
@@ -11,7 +11,7 @@ from homeassistant.components.update import (
     UpdateEntityFeature,
 )
 from homeassistant.components.update.const import (
-    ATTR_CURRENT_VERSION,
+    ATTR_INSTALLED_VERSION,
     ATTR_LATEST_VERSION,
     ATTR_RELEASE_SUMMARY,
     ATTR_RELEASE_URL,
@@ -46,7 +46,7 @@ async def test_update_available(
     assert state
     assert state.attributes.get(ATTR_DEVICE_CLASS) == UpdateDeviceClass.FIRMWARE
     assert state.state == STATE_ON
-    assert state.attributes[ATTR_CURRENT_VERSION] == "0.8.5"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "0.8.5"
     assert state.attributes[ATTR_LATEST_VERSION] == "0.12.0"
     assert state.attributes[ATTR_RELEASE_SUMMARY] is None
     assert (
@@ -79,7 +79,7 @@ async def test_update_information_available(
     assert state
     assert state.attributes.get(ATTR_DEVICE_CLASS) == UpdateDeviceClass.FIRMWARE
     assert state.state == STATE_UNKNOWN
-    assert state.attributes[ATTR_CURRENT_VERSION] is None
+    assert state.attributes[ATTR_INSTALLED_VERSION] is None
     assert state.attributes[ATTR_LATEST_VERSION] is None
     assert state.attributes[ATTR_RELEASE_SUMMARY] is None
     assert state.attributes[ATTR_RELEASE_URL] is None
@@ -110,7 +110,7 @@ async def test_no_update_available(
     assert state
     assert state.state == STATE_OFF
     assert state.attributes.get(ATTR_DEVICE_CLASS) == UpdateDeviceClass.FIRMWARE
-    assert state.attributes[ATTR_CURRENT_VERSION] == "0.12.0-b2"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "0.12.0-b2"
     assert state.attributes[ATTR_LATEST_VERSION] == "0.12.0-b2"
     assert state.attributes[ATTR_RELEASE_SUMMARY] is None
     assert (
@@ -169,7 +169,7 @@ async def test_update_stay_stable(
     state = hass.states.get("update.wled_rgb_light_firmware")
     assert state
     assert state.state == STATE_ON
-    assert state.attributes[ATTR_CURRENT_VERSION] == "0.8.5"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "0.8.5"
     assert state.attributes[ATTR_LATEST_VERSION] == "0.12.0"
 
     await hass.services.async_call(
@@ -198,7 +198,7 @@ async def test_update_beta_to_stable(
     state = hass.states.get("update.wled_rgbw_light_firmware")
     assert state
     assert state.state == STATE_ON
-    assert state.attributes[ATTR_CURRENT_VERSION] == "0.8.6b4"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "0.8.6b4"
     assert state.attributes[ATTR_LATEST_VERSION] == "0.8.6"
 
     await hass.services.async_call(
@@ -226,7 +226,7 @@ async def test_update_stay_beta(
     state = hass.states.get("update.wled_rgb_light_firmware")
     assert state
     assert state.state == STATE_ON
-    assert state.attributes[ATTR_CURRENT_VERSION] == "0.8.6b1"
+    assert state.attributes[ATTR_INSTALLED_VERSION] == "0.8.6b1"
     assert state.attributes[ATTR_LATEST_VERSION] == "0.8.6b2"
 
     await hass.services.async_call(
diff --git a/tests/testing_config/custom_components/test/update.py b/tests/testing_config/custom_components/test/update.py
index fc5ee31246e..1840f076407 100644
--- a/tests/testing_config/custom_components/test/update.py
+++ b/tests/testing_config/custom_components/test/update.py
@@ -26,9 +26,9 @@ class MockUpdateEntity(MockEntity, UpdateEntity):
         return self._handle("auto_update")
 
     @property
-    def current_version(self) -> str | None:
-        """Version currently in use."""
-        return self._handle("current_version")
+    def installed_version(self) -> str | None:
+        """Version currently installed and in use."""
+        return self._handle("installed_version")
 
     @property
     def in_progress(self) -> bool | int | None:
@@ -61,10 +61,10 @@ class MockUpdateEntity(MockEntity, UpdateEntity):
             _LOGGER.info("Creating backup before installing update")
 
         if version is not None:
-            self._values["current_version"] = version
+            self._values["installed_version"] = version
             _LOGGER.info(f"Installed update with version: {version}")
         else:
-            self._values["current_version"] = self.latest_version
+            self._values["installed_version"] = self.latest_version
             _LOGGER.info("Installed latest update")
 
     def release_notes(self) -> str | None:
@@ -83,28 +83,28 @@ def init(empty=False):
             MockUpdateEntity(
                 name="No Update",
                 unique_id="no_update",
-                current_version="1.0.0",
+                installed_version="1.0.0",
                 latest_version="1.0.0",
                 supported_features=UpdateEntityFeature.INSTALL,
             ),
             MockUpdateEntity(
                 name="Update Available",
                 unique_id="update_available",
-                current_version="1.0.0",
+                installed_version="1.0.0",
                 latest_version="1.0.1",
                 supported_features=UpdateEntityFeature.INSTALL,
             ),
             MockUpdateEntity(
                 name="Update Unknown",
                 unique_id="update_unknown",
-                current_version="1.0.0",
+                installed_version="1.0.0",
                 latest_version=None,
                 supported_features=UpdateEntityFeature.INSTALL,
             ),
             MockUpdateEntity(
                 name="Update Specific Version",
                 unique_id="update_specific_version",
-                current_version="1.0.0",
+                installed_version="1.0.0",
                 latest_version="1.0.0",
                 supported_features=UpdateEntityFeature.INSTALL
                 | UpdateEntityFeature.SPECIFIC_VERSION,
@@ -112,7 +112,7 @@ def init(empty=False):
             MockUpdateEntity(
                 name="Update Backup",
                 unique_id="update_backup",
-                current_version="1.0.0",
+                installed_version="1.0.0",
                 latest_version="1.0.1",
                 supported_features=UpdateEntityFeature.INSTALL
                 | UpdateEntityFeature.SPECIFIC_VERSION
@@ -121,7 +121,7 @@ def init(empty=False):
             MockUpdateEntity(
                 name="Update Already in Progress",
                 unique_id="update_already_in_progres",
-                current_version="1.0.0",
+                installed_version="1.0.0",
                 latest_version="1.0.1",
                 in_progress=50,
                 supported_features=UpdateEntityFeature.INSTALL
@@ -130,20 +130,20 @@ def init(empty=False):
             MockUpdateEntity(
                 name="Update No Install",
                 unique_id="no_install",
-                current_version="1.0.0",
+                installed_version="1.0.0",
                 latest_version="1.0.1",
             ),
             MockUpdateEntity(
                 name="Update with release notes",
                 unique_id="with_release_notes",
-                current_version="1.0.0",
+                installed_version="1.0.0",
                 latest_version="1.0.1",
                 supported_features=UpdateEntityFeature.RELEASE_NOTES,
             ),
             MockUpdateEntity(
                 name="Update with auto update",
                 unique_id="with_auto_update",
-                current_version="1.0.0",
+                installed_version="1.0.0",
                 latest_version="1.0.1",
                 auto_update=True,
                 supported_features=UpdateEntityFeature.INSTALL,