diff --git a/Firmware-IEC/Cargo.lock b/Firmware-IEC/Cargo.lock
index fc1baa3..f8cb96e 100644
--- a/Firmware-IEC/Cargo.lock
+++ b/Firmware-IEC/Cargo.lock
@@ -453,9 +453,9 @@ dependencies = [
 
 [[package]]
 name = "rmodbus"
-version = "0.6.4"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0dd0f3c07109f3590c890c67b2632008a4877919599e1465f2fcc1e6edaa60e"
+checksum = "ebc35e231d151f926d6724b7432d00eb2038aca2e7e9e21cbb8f55f88d3ab3be"
 dependencies = [
  "heapless",
  "ieee754",
diff --git a/Firmware-IEC/Cargo.toml b/Firmware-IEC/Cargo.toml
index b29107f..5098df2 100644
--- a/Firmware-IEC/Cargo.toml
+++ b/Firmware-IEC/Cargo.toml
@@ -25,7 +25,7 @@ shared-bus = "0.2.5"
 usb-device = "0.2.9"
 usbd-serial = "0.1.1"
 heapless = "0.7.16"
-rmodbus = { version = "0.6.4", features = ["heapless"], default-features = false }
+rmodbus = { version = "0.7.2", features = ["heapless"], default-features = false }
 
 [profile.dev]
 codegen-units = 1