diff --git a/v2ray_util/__init__.py b/v2ray_util/__init__.py
index 938691f0..7ef2ba74 100644
--- a/v2ray_util/__init__.py
+++ b/v2ray_util/__init__.py
@@ -1,3 +1,3 @@
-__version__ = '3.6.6b1'
+__version__ = '3.6.6'
 
 from .util_core.trans import _
\ No newline at end of file