diff --git a/openthread b/openthread
index b5164cf..31f2897 160000
--- a/openthread
+++ b/openthread
@@ -1 +1 @@
-Subproject commit b5164cf836d28b83f9123ec04c0e4189e0da1723
+Subproject commit 31f2897951c9dfd89364121f0581622416e77a7b