diff --git a/setup.py b/setup.py
index 14cb6da94..1463173e9 100644
--- a/setup.py
+++ b/setup.py
@@ -63,6 +63,7 @@
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
         "Topic :: Scientific/Engineering",
     ],
     keywords="qiskit sdk quantum api ibmq",
diff --git a/test/ibmq/websocket/test_websocket.py b/test/ibmq/websocket/test_websocket.py
index 7091af1ac..2954f29b5 100644
--- a/test/ibmq/websocket/test_websocket.py
+++ b/test/ibmq/websocket/test_websocket.py
@@ -89,7 +89,7 @@ def tearDownClass(cls):
             # Suppress websockets deprecation warning
             warnings.filterwarnings("ignore", category=PendingDeprecationWarning)
             # Manually cancel any pending asyncio tasks.
-            pending = asyncio.Task.all_tasks()
+            pending = asyncio.all_tasks()
         for task in pending:
             task.cancel()
             try: