diff --git a/homeassistant/components/aladdin_connect/__init__.py b/homeassistant/components/aladdin_connect/__init__.py
index 25e5426d23c..5d82c8df682 100644
--- a/homeassistant/components/aladdin_connect/__init__.py
+++ b/homeassistant/components/aladdin_connect/__init__.py
@@ -13,6 +13,9 @@ from homeassistant.helpers import (
     config_entry_oauth2_flow,
     device_registry as dr,
 )
+from homeassistant.helpers.config_entry_oauth2_flow import (
+    ImplementationUnavailableError,
+)
 
 from . import api
 from .const import CONFIG_FLOW_MINOR_VERSION, CONFIG_FLOW_VERSION, DOMAIN
@@ -25,11 +28,17 @@ async def async_setup_entry(
     hass: HomeAssistant, entry: AladdinConnectConfigEntry
 ) -> bool:
     """Set up Aladdin Connect Genie from a config entry."""
-    implementation = (
-        await config_entry_oauth2_flow.async_get_config_entry_implementation(
-            hass, entry
+    try:
+        implementation = (
+            await config_entry_oauth2_flow.async_get_config_entry_implementation(
+                hass, entry
+            )
         )
-    )
+    except ImplementationUnavailableError as err:
+        raise ConfigEntryNotReady(
+            translation_domain=DOMAIN,
+            translation_key="oauth2_implementation_unavailable",
+        ) from err
 
     session = config_entry_oauth2_flow.OAuth2Session(hass, entry, implementation)
 
diff --git a/homeassistant/components/aladdin_connect/strings.json b/homeassistant/components/aladdin_connect/strings.json
index a04552108a2..2e7cc6f6961 100644
--- a/homeassistant/components/aladdin_connect/strings.json
+++ b/homeassistant/components/aladdin_connect/strings.json
@@ -37,6 +37,9 @@
     "close_door_failed": {
       "message": "Failed to close the garage door"
     },
+    "oauth2_implementation_unavailable": {
+      "message": "[%key:common::exceptions::oauth2_implementation_unavailable::message%]"
+    },
     "open_door_failed": {
       "message": "Failed to open the garage door"
     }
diff --git a/tests/components/aladdin_connect/test_init.py b/tests/components/aladdin_connect/test_init.py
index d9f0675e228..f3cd6042f32 100644
--- a/tests/components/aladdin_connect/test_init.py
+++ b/tests/components/aladdin_connect/test_init.py
@@ -12,12 +12,32 @@ from homeassistant.components.aladdin_connect import DOMAIN
 from homeassistant.config_entries import ConfigEntryState
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import device_registry as dr, entity_registry as er
+from homeassistant.helpers.config_entry_oauth2_flow import (
+    ImplementationUnavailableError,
+)
 
 from . import init_integration
 
 from tests.common import MockConfigEntry, async_fire_time_changed
 
 
+async def test_oauth_implementation_not_available(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test that unavailable OAuth implementation raises ConfigEntryNotReady."""
+    mock_config_entry.add_to_hass(hass)
+
+    with patch(
+        "homeassistant.helpers.config_entry_oauth2_flow.async_get_config_entry_implementation",
+        side_effect=ImplementationUnavailableError,
+    ):
+        await hass.config_entries.async_setup(mock_config_entry.entry_id)
+        await hass.async_block_till_done()
+
+    assert mock_config_entry.state is ConfigEntryState.SETUP_RETRY
+
+
 async def test_setup_entry(
     hass: HomeAssistant, mock_config_entry: MockConfigEntry
 ) -> None: