diff -Naur a/bitcointx/tests/test_async_and_threading.py b/bitcointx/tests/test_async_and_threading.py
--- a/bitcointx/tests/test_async_and_threading.py	2024-01-21 12:17:24.000000000 +0000
+++ b/bitcointx/tests/test_async_and_threading.py	2025-05-20 18:28:36.860455340 +0000
@@ -200,7 +200,7 @@
             f3 = asyncio.ensure_future(async_regtest())
             await asyncio.gather(f1, f2, f3)
 
-        asyncio.get_event_loop().run_until_complete(go())
+        asyncio.run(go())
 
         self.assertEqual(set(finished_successfully),
                          set(['mainnet', 'testnet', 'regtest']))