diff --git a/lark_oapi/ws/tests/test_websockets_compat.py b/lark_oapi/ws/tests/test_websockets_compat.py
index 538d1ee94..d455fe98e 100644
--- a/lark_oapi/ws/tests/test_websockets_compat.py
+++ b/lark_oapi/ws/tests/test_websockets_compat.py
@@ -83,7 +83,7 @@ def fake_post(url, *, headers=None, json=None):
 
 
 @pytest.mark.asyncio
-async def test_connect_disables_websockets_15_automatic_proxy(monkeypatch):
+async def test_connect_disables_websockets_15_and_16_automatic_proxy(monkeypatch):
     captured = {}
 
     async def fake_connect(uri, *, proxy=True):
diff --git a/setup.py b/setup.py
index 6b0deabd3..189293782 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,9 @@
         "requests>=2.25",
         "requests_toolbelt>=0.9",
         "pycryptodome>=3.9",
-        "websockets>=11,<16",
+        # websockets 16 requires Python >=3.10; pip selects an older compatible
+        # release when installing the SDK on Python 3.8 or 3.9.
+        "websockets>=11,<17",
         "httpx>=0.24,<1.0",
     ],
     extras_require={