diff --git a/zstack-lib b/zstack-lib
index bdc90ef..28775df 160000
--- a/zstack-lib
+++ b/zstack-lib
@@ -1 +1 @@
-Subproject commit bdc90ef8910b19dae30ce0aaa3c1d17a5c821192
+Subproject commit 28775df557ab54cea1fecfc070f35c1c9d70e9aa