diff --git a/openthread b/openthread
index 6751122..666a9bd 160000
--- a/openthread
+++ b/openthread
@@ -1 +1 @@
-Subproject commit 6751122f0ae44cbe51e539e434fbf126a7b1ac43
+Subproject commit 666a9bd076adfee873fafc5354e0b309cb4f6dda