diff --git a/zephyr b/zephyr
index 4bd6811..31afbf7 160000
--- a/zephyr
+++ b/zephyr
@@ -1 +1 @@
-Subproject commit 4bd68112c3825bb2ad227da7beaf257f769f7f1c
+Subproject commit 31afbf7902850e6a66df32a528a8c42b168f1ba5