diff --git a/go.mod b/go.mod
index e1640a1..1dbd8bb 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/otfabric/modbus-simulator
 go 1.25.0
 
 require (
-	github.com/otfabric/go-modbus v1.10.1
+	github.com/otfabric/go-modbus v1.10.3
 	github.com/santhosh-tekuri/jsonschema/v6 v6.0.3
 	github.com/spf13/cobra v1.10.2
 	github.com/stretchr/testify v1.12.1
@@ -11,7 +11,7 @@ require (
 
 require (
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/otfabric/go-serial v0.2.0 // indirect
+	github.com/otfabric/go-serial v0.2.1 // indirect
 	github.com/spf13/pflag v1.0.10 // indirect
 	go.yaml.in/yaml/v3 v3.0.5 // indirect
 	golang.org/x/text v0.41.0 // indirect
diff --git a/go.sum b/go.sum
index c687580..1ef3f6b 100644
--- a/go.sum
+++ b/go.sum
@@ -3,10 +3,10 @@ github.com/dlclark/regexp2 v1.11.0 h1:G/nrcoOa7ZXlpoa/91N3X7mM3r8eIlMBBJZvsz/mxK
 github.com/dlclark/regexp2 v1.11.0/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
-github.com/otfabric/go-modbus v1.10.1 h1:7aZYDrFNSet6cmRtcFCE1ZKtjuEcULPueR0d57OBawA=
-github.com/otfabric/go-modbus v1.10.1/go.mod h1:YYlr+UYfnsPjT40Q/zYClB/3mjjP1kYuHjVW2hTYeBs=
-github.com/otfabric/go-serial v0.2.0 h1:tIumMlNTy0xoTHClZJZXFcqywBz6poNegxTqYDV8MEA=
-github.com/otfabric/go-serial v0.2.0/go.mod h1:TqbYpWWg6W+IuCLs8YM2cndlMAEaTyaKyUX6Z08gtq8=
+github.com/otfabric/go-modbus v1.10.3 h1:aqNcwsOSkhiM1jkJTd5oabiySZAyGzGa86kZJLTSva4=
+github.com/otfabric/go-modbus v1.10.3/go.mod h1:LciyfLtd+4wKhQrDV5TjdrRH3NB60A+5d9bzTtGHQW4=
+github.com/otfabric/go-serial v0.2.1 h1:PCOdnCDAHIHFaxTBNmisC/4SlD+NVd74d+EJPnXrCOw=
+github.com/otfabric/go-serial v0.2.1/go.mod h1:TqbYpWWg6W+IuCLs8YM2cndlMAEaTyaKyUX6Z08gtq8=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/santhosh-tekuri/jsonschema/v6 v6.0.3 h1:1EYB5IzjZawrrnELUi78f9fPu57HuXjmddZPjrls/28=
 github.com/santhosh-tekuri/jsonschema/v6 v6.0.3/go.mod h1:JXeL+ps8p7/KNMjDQk3TCwPpBy0wYklyWTfbkIzdIFU=