diff --git a/requirements.txt b/requirements.txt
index 20fe4f9..d29e3dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 PySide6-Essentials
 Xray-core
 hysteria
+tun2socks > 2.5.1
 ujson
 pybase64
 pyqrcode
diff --git a/setup.py b/setup.py
index 66ae0ab..84af0de 100644
--- a/setup.py
+++ b/setup.py
@@ -39,6 +39,7 @@ setup(
         'PySide6-Essentials',
         'Xray-core',
         'hysteria',
+        'tun2socks > 2.5.1',
         'ujson',
         'pybase64',
         'pyqrcode',