diff --git a/examples/miniapps/fastapi-redis/fastapiredis/tests.py b/examples/miniapps/fastapi-redis/fastapiredis/tests.py
index bde075ab..7d31a99d 100644
--- a/examples/miniapps/fastapi-redis/fastapiredis/tests.py
+++ b/examples/miniapps/fastapi-redis/fastapiredis/tests.py
@@ -3,7 +3,7 @@
 from unittest import mock
 
 import pytest
-from httpx import AsyncClient
+from httpx import ASGITransport, AsyncClient
 
 from .application import app, container
 from .services import Service
@@ -11,7 +11,10 @@ from .services import Service
 
 @pytest.fixture
 def client(event_loop):
-    client = AsyncClient(app=app, base_url="http://test")
+    client = AsyncClient(
+        transport=ASGITransport(app=app),
+        base_url="http://test",
+    )
     yield client
     event_loop.run_until_complete(client.aclose())
 
diff --git a/examples/miniapps/fastapi-simple/tests.py b/examples/miniapps/fastapi-simple/tests.py
index 4d80e072..cf033592 100644
--- a/examples/miniapps/fastapi-simple/tests.py
+++ b/examples/miniapps/fastapi-simple/tests.py
@@ -1,14 +1,17 @@
 from unittest import mock
 
 import pytest
-from httpx import AsyncClient
+from httpx import ASGITransport, AsyncClient
 
 from fastapi_di_example import app, container, Service
 
 
 @pytest.fixture
 async def client(event_loop):
-    async with AsyncClient(app=app, base_url="http://test") as client:
+    async with AsyncClient(
+        transport=ASGITransport(app=app),
+        base_url="http://test",
+    ) as client:
         yield client
 
 
diff --git a/examples/miniapps/fastapi/giphynavigator/tests.py b/examples/miniapps/fastapi/giphynavigator/tests.py
index 2b57d50d..c1505e78 100644
--- a/examples/miniapps/fastapi/giphynavigator/tests.py
+++ b/examples/miniapps/fastapi/giphynavigator/tests.py
@@ -3,7 +3,7 @@
 from unittest import mock
 
 import pytest
-from httpx import AsyncClient
+from httpx import ASGITransport, AsyncClient
 
 from giphynavigator.application import app
 from giphynavigator.giphy import GiphyClient
@@ -11,7 +11,10 @@ from giphynavigator.giphy import GiphyClient
 
 @pytest.fixture
 async def client():
-    async with AsyncClient(app=app, base_url="http://test") as client:
+    async with AsyncClient(
+        transport=ASGITransport(app=app),
+        base_url="http://test",
+    ) as client:
         yield client
 
 
diff --git a/tests/unit/wiring/test_fastapi_py36.py b/tests/unit/wiring/test_fastapi_py36.py
index 4615b221..1e9ff584 100644
--- a/tests/unit/wiring/test_fastapi_py36.py
+++ b/tests/unit/wiring/test_fastapi_py36.py
@@ -1,4 +1,4 @@
-from httpx import AsyncClient
+from httpx import ASGITransport, AsyncClient
 from pytest import fixture, mark
 from pytest_asyncio import fixture as aio_fixture
 
@@ -19,7 +19,7 @@ from wiringfastapi import web
 
 @aio_fixture
 async def async_client():
-    client = AsyncClient(app=web.app, base_url="http://test")
+    client = AsyncClient(transport=ASGITransport(app=web.app), base_url="http://test")
     yield client
     await client.aclose()