diff --git a/homeassistant/components/withings/__init__.py b/homeassistant/components/withings/__init__.py
index 1392b72f16b..9338c28da1c 100644
--- a/homeassistant/components/withings/__init__.py
+++ b/homeassistant/components/withings/__init__.py
@@ -37,8 +37,10 @@ from homeassistant.const import (
     Platform,
 )
 from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import ConfigEntryNotReady
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 from homeassistant.helpers.config_entry_oauth2_flow import (
+    ImplementationUnavailableError,
     OAuth2Session,
     async_get_config_entry_implementation,
 )
@@ -104,7 +106,13 @@ async def async_setup_entry(hass: HomeAssistant, entry: WithingsConfigEntry) ->
         )
     session = async_get_clientsession(hass)
     client = WithingsClient(session=session)
-    implementation = await async_get_config_entry_implementation(hass, entry)
+    try:
+        implementation = await async_get_config_entry_implementation(hass, entry)
+    except ImplementationUnavailableError as err:
+        raise ConfigEntryNotReady(
+            translation_domain=DOMAIN,
+            translation_key="oauth2_implementation_unavailable",
+        ) from err
     oauth_session = OAuth2Session(hass, entry, implementation)
 
     refresh_lock = asyncio.Lock()
diff --git a/homeassistant/components/withings/strings.json b/homeassistant/components/withings/strings.json
index 8d442005666..a8559b72172 100644
--- a/homeassistant/components/withings/strings.json
+++ b/homeassistant/components/withings/strings.json
@@ -331,5 +331,10 @@
         }
       }
     }
+  },
+  "exceptions": {
+    "oauth2_implementation_unavailable": {
+      "message": "OAuth2 implementation unavailable, will retry"
+    }
   }
 }
diff --git a/tests/components/withings/test_init.py b/tests/components/withings/test_init.py
index e71402b8a98..86c4f1d8cbb 100644
--- a/tests/components/withings/test_init.py
+++ b/tests/components/withings/test_init.py
@@ -22,9 +22,13 @@ from homeassistant.components import cloud
 from homeassistant.components.cloud import CloudNotAvailable
 from homeassistant.components.webhook import async_generate_url
 from homeassistant.components.withings.const import DOMAIN
+from homeassistant.config_entries import ConfigEntryState
 from homeassistant.const import CONF_WEBHOOK_ID
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import device_registry as dr
+from homeassistant.helpers.config_entry_oauth2_flow import (
+    ImplementationUnavailableError,
+)
 from homeassistant.util import dt as dt_util
 
 from . import call_webhook, prepare_webhook_setup, setup_integration
@@ -643,3 +647,20 @@ async def test_devices(
         device = device_registry.async_get_device({(DOMAIN, device_id)})
         assert device is not None
         assert device == snapshot(name=device_id)
+
+
+async def test_oauth_implementation_not_available(
+    hass: HomeAssistant,
+    webhook_config_entry: MockConfigEntry,
+) -> None:
+    """Test that unavailable OAuth implementation raises ConfigEntryNotReady."""
+    webhook_config_entry.add_to_hass(hass)
+
+    with patch(
+        "homeassistant.components.withings.async_get_config_entry_implementation",
+        side_effect=ImplementationUnavailableError,
+    ):
+        await hass.config_entries.async_setup(webhook_config_entry.entry_id)
+        await hass.async_block_till_done()
+
+    assert webhook_config_entry.state is ConfigEntryState.SETUP_RETRY