diff --git a/sdk/OpenBK7231N b/sdk/OpenBK7231N
index b340a75ae..a4ae64400 160000
--- a/sdk/OpenBK7231N
+++ b/sdk/OpenBK7231N
@@ -1 +1 @@
-Subproject commit b340a75ae2ff7d27a23ef6858b04096ec3f75046
+Subproject commit a4ae64400ff57586c1b386190419f9d0bfc80efb