diff --git a/openthread b/openthread
index a8afffb..4b593f9 160000
--- a/openthread
+++ b/openthread
@@ -1 +1 @@
-Subproject commit a8afffbd2aee3cf43846b37f6d457dc63bb69d15
+Subproject commit 4b593f9d39f42d39c487552f05d44fe56586a597