diff --git a/openthread b/openthread
index 5f8f05c..21ac9f5 160000
--- a/openthread
+++ b/openthread
@@ -1 +1 @@
-Subproject commit 5f8f05cab59a2dcaab5f7e655bb3a94cb9cb0207
+Subproject commit 21ac9f54cf163f913bf8e7cc8ebbe635c9449eff