diff --git a/openthread b/openthread
index b4282a82..ca9a731e 160000
--- a/openthread
+++ b/openthread
@@ -1 +1 @@
-Subproject commit b4282a82f2b962acf0ec731b3e920f65d53ac9d6
+Subproject commit ca9a731e4fe0e74ed1e34010958caae1f2a5a858