diff --git a/openthread b/openthread
index d31bcee..9c21165 160000
--- a/openthread
+++ b/openthread
@@ -1 +1 @@
-Subproject commit d31bcee81230bd82764838c76c9f291ba64814dd
+Subproject commit 9c21165c1453230b9bde8be54ba534346a79be3a