diff --git a/src/v5_hal/firmware/lib b/src/v5_hal/firmware/lib
index 5ad83c3..4a7f418 160000
--- a/src/v5_hal/firmware/lib
+++ b/src/v5_hal/firmware/lib
@@ -1 +1 @@
-Subproject commit 5ad83c3d154f99c317910799f341668545d19006
+Subproject commit 4a7f418e2ca97da26c926777ab5292cd16e47183