diff --git a/Lib/test/test_asyncio/test_streams.py b/Lib/test/test_asyncio/test_streams.py
index b716a504de2..0a9762d1fda 100644
--- a/Lib/test/test_asyncio/test_streams.py
+++ b/Lib/test/test_asyncio/test_streams.py
@@ -351,7 +351,7 @@ def test_readexactly_zero_or_less(self):
         self.assertEqual(b'', data)
         self.assertEqual(self.DATA, stream._buffer)
 
-        with self.assertRaisesRegexp(ValueError, 'less than zero'):
+        with self.assertRaisesRegex(ValueError, 'less than zero'):
             self.loop.run_until_complete(stream.readexactly(-1))
         self.assertEqual(self.DATA, stream._buffer)