diff --git a/zephyr b/zephyr
index 5847aef..df77075 160000
--- a/zephyr
+++ b/zephyr
@@ -1 +1 @@
-Subproject commit 5847aef27d562c449292e98a3e94e3c9967afffd
+Subproject commit df77075f37fe3336d2c268419cbc20f44d6e489d