diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..d280de0
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,2 @@
+[pytest]
+asyncio_mode = auto
\ No newline at end of file
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 1b247ab..1592ea2 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,9 +1,9 @@
 flake8>=3.6.0
 psutil>=5.4.8
-pytest>=5.4.1
-pytest-asyncio>=0.11.0
+pytest>=6.2.5
+pytest-asyncio>=0.17.2
 trio>=0.16.0
-pytest-trio>=0.6.0
+pytest-trio>=0.7.0
 coverage>=5.2.1
 pytest-cov>=3.0.0
 coveralls>=3.3.0
diff --git a/tests/test_transport_asyncio.py b/tests/test_transport_asyncio.py
index 9251017..6f0de5f 100644
--- a/tests/test_transport_asyncio.py
+++ b/tests/test_transport_asyncio.py
@@ -168,7 +168,7 @@ async def test_http_proxy(url):
 
 @pytest.mark.parametrize('url', (TEST_URL_IPV4, TEST_URL_IPV4_HTTPS))
 @pytest.mark.parametrize('http2', (False, True))
-@pytest.mark.trio
+@pytest.mark.asyncio
 async def test_secure_proxy(url, http2):
     proxy_ssl = ssl.SSLContext(ssl.PROTOCOL_TLS)
     proxy_ssl.verify_mode = ssl.CERT_REQUIRED