diff --git a/components/bt/lib b/components/bt/lib
index 445599977a..3ad81b6eaa 160000
--- a/components/bt/lib
+++ b/components/bt/lib
@@ -1 +1 @@
-Subproject commit 445599977abc79cffab58e9025c993e816b2942a
+Subproject commit 3ad81b6eaa4d5531b2a89c84bf55ecd4d70beba4