diff --git a/ot-nrf528xx b/ot-nrf528xx
index 5af2585..def9117 160000
--- a/ot-nrf528xx
+++ b/ot-nrf528xx
@@ -1 +1 @@
-Subproject commit 5af258559d1352cc3275e116f60f399ba436ff53
+Subproject commit def91170d4d4b449d99bc3df7d575c1345ab5b7a