2 files changed, 6 insertions, 2 deletions
diff --git a/Lib/telnetlib.py b/Lib/telnetlib.py
index ae88ea5..62d6361 100644
--- a/Lib/telnetlib.py
+++ b/Lib/telnetlib.py
@@ -37,6 +37,9 @@ import sys
 import socket
 import selectors
 from time import monotonic as _time
+import warnings
+
+warnings._deprecated(__name__, remove=(3, 13))
 
 __all__ = ["Telnet"]
 
diff --git a/Lib/test/test_telnetlib.py b/Lib/test/test_telnetlib.py
index b50df14..a9cade2 100644
--- a/Lib/test/test_telnetlib.py
+++ b/Lib/test/test_telnetlib.py
@@ -1,15 +1,16 @@
 import socket
 import selectors
-import telnetlib
 import threading
 import contextlib
 
 from test import support
-from test.support import socket_helper
+from test.support import socket_helper, warnings_helper
 import unittest
 
 support.requires_working_socket(module=True)
 
+telnetlib = warnings_helper.import_deprecated('telnetlib')
+
 HOST = socket_helper.HOST
 
 def server(evt, serv):