diff --git a/nrw/network/_server.py b/nrw/network/_server.py
index b6a558f..af2b662 100644
--- a/nrw/network/_server.py
+++ b/nrw/network/_server.py
@@ -3,13 +3,19 @@
 __all__: Final[tuple[str]] = ("Server",)
 
 import socket
+import sys
 import threading
 from abc import ABC, abstractmethod
 from contextlib import suppress
-from typing import TYPE_CHECKING, Final, override
+from typing import TYPE_CHECKING, Final
 
 from nrw.datastructures import List
 
+if sys.version_info >= (3, 12):  # pragma: >=3.12 cover
+    from typing import override
+else:  # pragma: <3.12 cover
+    from typing_extensions import override
+
 if TYPE_CHECKING:
     from io import TextIOWrapper
 
diff --git a/requirements.txt b/requirements.txt
index c481e82..69e275e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 mysql-connector-python
 pyodbc;platform_python_implementation=="CPython"
 pypyodbc;platform_python_implementation=="PyPy"
+typing_extensions>=4.4.0;python_version<"3.12"