diff --git a/openthread b/openthread
index 64cf63e..473af53 160000
--- a/openthread
+++ b/openthread
@@ -1 +1 @@
-Subproject commit 64cf63ecb2a236ef7c382e5ded71e93f98b4af0c
+Subproject commit 473af53155ec336d843e083cd6b70a7046560caa