diff --git a/openthread b/openthread
index 39fcc5ea..c66d91bd 160000
--- a/openthread
+++ b/openthread
@@ -1 +1 @@
-Subproject commit 39fcc5ea5391caecb05c81905f924144c8d35d53
+Subproject commit c66d91bdd7268e81402c1064d0e0a87002c7d4f6