diff --git a/openthread b/openthread
index b747173..6a21b5f 160000
--- a/openthread
+++ b/openthread
@@ -1 +1 @@
-Subproject commit b7471733c5ed753863c08d7f26b0175c3c34940d
+Subproject commit 6a21b5f9ae29dd165ea2a359943264910048957e