diff --git a/homeassistant/components/tado/__init__.py b/homeassistant/components/tado/__init__.py
index d1994075f12..74768ee01fa 100644
--- a/homeassistant/components/tado/__init__.py
+++ b/homeassistant/components/tado/__init__.py
@@ -8,7 +8,13 @@ import PyTado.exceptions
 from PyTado.interface import Tado
 
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import CONF_PASSWORD, CONF_USERNAME, Platform
+from homeassistant.const import (
+    APPLICATION_NAME,
+    CONF_PASSWORD,
+    CONF_USERNAME,
+    Platform,
+    __version__ as HA_VERSION,
+)
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.exceptions import (
     ConfigEntryAuthFailed,
@@ -74,7 +80,10 @@ async def async_setup_entry(hass: HomeAssistant, entry: TadoConfigEntry) -> bool
 
     def create_tado_instance() -> tuple[Tado, str]:
         """Create a Tado instance, this time with a previously obtained refresh token."""
-        tado = Tado(saved_refresh_token=entry.data[CONF_REFRESH_TOKEN])
+        tado = Tado(
+            saved_refresh_token=entry.data[CONF_REFRESH_TOKEN],
+            user_agent=f"{APPLICATION_NAME}/{HA_VERSION}",
+        )
         return tado, tado.device_activation_status()
 
     try:
diff --git a/homeassistant/components/tado/manifest.json b/homeassistant/components/tado/manifest.json
index b252a396689..8350f300c03 100644
--- a/homeassistant/components/tado/manifest.json
+++ b/homeassistant/components/tado/manifest.json
@@ -14,5 +14,5 @@
   },
   "iot_class": "cloud_polling",
   "loggers": ["PyTado"],
-  "requirements": ["python-tado==0.18.14"]
+  "requirements": ["python-tado==0.18.15"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 4e2ca9a2713..3d7865d048a 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2507,7 +2507,7 @@ python-snoo==0.6.6
 python-songpal==0.16.2
 
 # homeassistant.components.tado
-python-tado==0.18.14
+python-tado==0.18.15
 
 # homeassistant.components.technove
 python-technove==2.0.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index da2ef7e146e..92f9b3e03ce 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -2047,7 +2047,7 @@ python-snoo==0.6.6
 python-songpal==0.16.2
 
 # homeassistant.components.tado
-python-tado==0.18.14
+python-tado==0.18.15
 
 # homeassistant.components.technove
 python-technove==2.0.0