diff --git a/pico-hsm-sdk b/pico-hsm-sdk
index 8f14db6..4a8a672 160000
--- a/pico-hsm-sdk
+++ b/pico-hsm-sdk
@@ -1 +1 @@
-Subproject commit 8f14db677e7e68bc7b41e99d0a1b231ca55868e4
+Subproject commit 4a8a6728c79f9a6ef5500ea6c1fa889a8e49ba69