diff --git a/go.mod b/go.mod
index ec1a443..f7c742e 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module github.com/la5nta/wl2k-go
 go 1.11
 
 require (
-	github.com/albenik/go-serial/v2 v2.3.0
+	github.com/albenik/go-serial/v2 v2.5.0
 	github.com/paulrosania/go-charset v0.0.0-20190326053356-55c9d7a5834c
 )
diff --git a/go.sum b/go.sum
index 3390beb..3cec4dd 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/albenik/go-serial/v2 v2.3.0 h1:3/PiNDdOI55JZ02ARpr8us2Az8W9lihdKNxKv+IvcuY=
-github.com/albenik/go-serial/v2 v2.3.0/go.mod h1:JUrQKdczCMB0FlXt2rlJJ8zbfFzmjTIAkLPyyVfr5ho=
+github.com/albenik/go-serial/v2 v2.5.0 h1:I4oUK+zxjHBNtcYHyHifyxBhMX33jCFY9ieUXPsdSAI=
+github.com/albenik/go-serial/v2 v2.5.0/go.mod h1:ySdCqoERscw1xluK1n62R8Faoyu+jXKwVHPa1lSSAew=
 github.com/creack/goselect v0.1.2 h1:2DNy14+JPjRBgPzAd1thbQp4BSIihxcBf0IXhQXDRa0=
 github.com/creack/goselect v0.1.2/go.mod h1:a/NhLweNvqIYMuxcMOuWY516Cimucms3DglDzQP3hKY=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
@@ -20,12 +20,13 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
-go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
-go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
-golang.org/x/sys v0.0.0-20210223212115-eede4237b368 h1:fDE3p0qf2V1co1vfj3/o87Ps8Hq6QTGNxJ5Xe7xSp80=
-golang.org/x/sys v0.0.0-20210223212115-eede4237b368/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
+go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
+go.uber.org/multierr v1.7.0 h1:zaiO/rmgFjbmCXdSYJWQcdvOCsthmdaHfr3Gm2Kx4Ec=
+go.uber.org/multierr v1.7.0/go.mod h1:7EAYxJLBy9rStEaz58O2t4Uvip6FSURkq8/ppBp95ak=
+golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e h1:fLOSk5Q00efkSvAm+4xcoXD+RRmLmmulPn5I3Y9F2EM=
+golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=