diff --git a/homeassistant/components/knx/knx_entity.py b/homeassistant/components/knx/knx_entity.py
index 31147625d16..670f1ddf44d 100644
--- a/homeassistant/components/knx/knx_entity.py
+++ b/homeassistant/components/knx/knx_entity.py
@@ -1,4 +1,6 @@
 """Base class for KNX devices."""
+from __future__ import annotations
+
 from typing import cast
 
 from xknx.devices import Climate as XknxClimate, Device as XknxDevice
@@ -32,6 +34,11 @@ class KnxEntity(Entity):
         """No polling needed within KNX."""
         return False
 
+    @property
+    def unique_id(self) -> str | None:
+        """Return the unique id of the device."""
+        return self._device.unique_id
+
     async def async_update(self) -> None:
         """Request a state update from KNX bus."""
         await self._device.sync()
diff --git a/homeassistant/components/knx/manifest.json b/homeassistant/components/knx/manifest.json
index 629d43092d4..f15e909755c 100644
--- a/homeassistant/components/knx/manifest.json
+++ b/homeassistant/components/knx/manifest.json
@@ -2,7 +2,7 @@
   "domain": "knx",
   "name": "KNX",
   "documentation": "https://www.home-assistant.io/integrations/knx",
-  "requirements": ["xknx==0.17.4"],
+  "requirements": ["xknx==0.17.5"],
   "codeowners": ["@Julius2342", "@farmio", "@marvin-w"],
   "quality_scale": "silver"
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 6ce5d01effe..a741d733598 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2335,7 +2335,7 @@ xbox-webapi==2.0.8
 xboxapi==2.0.1
 
 # homeassistant.components.knx
-xknx==0.17.4
+xknx==0.17.5
 
 # homeassistant.components.bluesound
 # homeassistant.components.rest
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 96bcbcab43d..b761c705de1 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1208,7 +1208,7 @@ wolf_smartset==0.1.8
 xbox-webapi==2.0.8
 
 # homeassistant.components.knx
-xknx==0.17.4
+xknx==0.17.5
 
 # homeassistant.components.bluesound
 # homeassistant.components.rest