diff --git a/libraries/gf180mcu_fd_io/latest b/libraries/gf180mcu_fd_io/latest
index 6059e98..bcaa40a 160000
--- a/libraries/gf180mcu_fd_io/latest
+++ b/libraries/gf180mcu_fd_io/latest
@@ -1 +1 @@
-Subproject commit 6059e9862a7a4b8524169b5fb0c715436c445a72
+Subproject commit bcaa40aaf6cf04d6e9cb143d0e5b0de9429e53ab