diff --git a/openthread b/openthread
index 3f99b118..666a9bd0 160000
--- a/openthread
+++ b/openthread
@@ -1 +1 @@
-Subproject commit 3f99b118d41f1a054f4512e391e7d39f30cf3503
+Subproject commit 666a9bd076adfee873fafc5354e0b309cb4f6dda