diff --git a/tests/components/cert_expiry/test_init.py b/tests/components/cert_expiry/test_init.py
index 5ba63ad1af1..9b188cf41d7 100644
--- a/tests/components/cert_expiry/test_init.py
+++ b/tests/components/cert_expiry/test_init.py
@@ -2,7 +2,7 @@
 
 from unittest.mock import patch
 
-from freezegun import freeze_time
+import pytest
 
 from homeassistant.components.cert_expiry.const import DOMAIN
 from homeassistant.config_entries import ConfigEntryState
@@ -44,7 +44,7 @@ async def test_update_unique_id(hass: HomeAssistant) -> None:
     assert entry.unique_id == f"{HOST}:{PORT}"
 
 
-@freeze_time(static_datetime())
+@pytest.mark.freeze_time(static_datetime())
 async def test_unload_config_entry(hass: HomeAssistant) -> None:
     """Test unloading a config entry."""
     assert hass.state is CoreState.running
diff --git a/tests/components/cert_expiry/test_sensor.py b/tests/components/cert_expiry/test_sensor.py
index d68e973e1fa..68e2539f613 100644
--- a/tests/components/cert_expiry/test_sensor.py
+++ b/tests/components/cert_expiry/test_sensor.py
@@ -6,6 +6,7 @@ import ssl
 from unittest.mock import patch
 
 from freezegun import freeze_time
+import pytest
 
 from homeassistant.components.cert_expiry.const import DOMAIN
 from homeassistant.const import CONF_HOST, CONF_PORT, STATE_UNAVAILABLE, STATE_UNKNOWN
@@ -18,7 +19,7 @@ from .helpers import future_timestamp, static_datetime
 from tests.common import MockConfigEntry, async_fire_time_changed
 
 
-@freeze_time(static_datetime())
+@pytest.mark.freeze_time(static_datetime())
 async def test_async_setup_entry(hass: HomeAssistant) -> None:
     """Test async_setup_entry."""
     assert hass.state is CoreState.running