diff --git a/zephyr b/zephyr
index df81fef..5897de1 160000
--- a/zephyr
+++ b/zephyr
@@ -1 +1 @@
-Subproject commit df81fef94483da9f2811d48088affbcfd61ab18c
+Subproject commit 5897de1e535816247e309348cbe29760361a28b8