diff --git a/tests/components/nuki/test_binary_sensor.py b/tests/components/nuki/test_binary_sensor.py
index 20551a66307..9b09c749d73 100644
--- a/tests/components/nuki/test_binary_sensor.py
+++ b/tests/components/nuki/test_binary_sensor.py
@@ -27,3 +27,9 @@ async def test_binary_sensors(
         entry = await init_integration(hass, mock_nuki_requests)
 
     await snapshot_platform(hass, entity_registry, snapshot, entry.entry_id)
+
+    # Unload the config entry after taking a snapshot is required because the integration may cache
+    # DNS results or keep references to the original gethostbyname, so unloading ensures the patch
+    # is effective for subsequent tests and avoids DNS lookups
+    await hass.config_entries.async_unload(entry.entry_id)
+    await hass.async_block_till_done()
diff --git a/tests/components/nuki/test_lock.py b/tests/components/nuki/test_lock.py
index 6d8c3cc43fc..ec3b42e4d59 100644
--- a/tests/components/nuki/test_lock.py
+++ b/tests/components/nuki/test_lock.py
@@ -25,3 +25,9 @@ async def test_locks(
         entry = await init_integration(hass, mock_nuki_requests)
 
     await snapshot_platform(hass, entity_registry, snapshot, entry.entry_id)
+
+    # Unload the config entry after taking a snapshot is required because the integration may cache
+    # DNS results or keep references to the original gethostbyname, so unloading ensures the patch
+    # is effective for subsequent tests and avoids DNS lookups
+    await hass.config_entries.async_unload(entry.entry_id)
+    await hass.async_block_till_done()
diff --git a/tests/components/nuki/test_sensor.py b/tests/components/nuki/test_sensor.py
index d03fe7f0da6..8989cf853c9 100644
--- a/tests/components/nuki/test_sensor.py
+++ b/tests/components/nuki/test_sensor.py
@@ -25,3 +25,9 @@ async def test_sensors(
         entry = await init_integration(hass, mock_nuki_requests)
 
     await snapshot_platform(hass, entity_registry, snapshot, entry.entry_id)
+
+    # Unload the config entry after taking a snapshot is required because the integration may cache
+    # DNS results or keep references to the original gethostbyname, so unloading ensures the patch
+    # is effective for subsequent tests and avoids DNS lookups
+    await hass.config_entries.async_unload(entry.entry_id)
+    await hass.async_block_till_done()