diff --git a/third_party/microtbx-modbus b/third_party/microtbx-modbus
index ab4d03d..3061db3 160000
--- a/third_party/microtbx-modbus
+++ b/third_party/microtbx-modbus
@@ -1 +1 @@
-Subproject commit ab4d03dff789ae053c5b833f61bf2d141c6a444c
+Subproject commit 3061db368b6589d5995554b717c9c73cb6a14baa