diff --git a/components/bt/lib b/components/bt/lib
index 856881b27..4b4ff2868 160000
--- a/components/bt/lib
+++ b/components/bt/lib
@@ -1 +1 @@
-Subproject commit 856881b2768204ce2bf3584724324dddc8378f11
+Subproject commit 4b4ff28683982cee0b89e1e7a4480c2abfb00f0c