diff --git a/python/sglang/version.py b/python/sglang/version.py
index b869775f0b33..49b2d1b21e6e 100644
--- a/python/sglang/version.py
+++ b/python/sglang/version.py
@@ -1,3 +1,4 @@
+# sandbox-verify-main-ci: 20260608T065714Z (do not merge)
 try:
     from sglang._version import __version__, __version_tuple__
 except ImportError: