diff --git a/openthread b/openthread
index 9106817c6..91b7c3ff3 160000
--- a/openthread
+++ b/openthread
@@ -1 +1 @@
-Subproject commit 9106817c624cb514d5f7190e5e7e8ac572221ae6
+Subproject commit 91b7c3ff3f178a212c94f18662a3b4e3f400d721