diff --git a/go.mod b/go.mod
index 9199eb3ee..7679f0511 100644
--- a/go.mod
+++ b/go.mod
@@ -41,7 +41,7 @@ require (
 	github.com/xrash/smetrics v0.0.0-20170218160415-a3153f7040e9
 	github.com/zach-klippenstein/goregen v0.0.0-20160303162051-795b5e3961ea // indirect
 	go.bug.st/downloader v0.0.0-20181116113543-9b8976a44d87
-	go.bug.st/serial v1.1.3
+	go.bug.st/serial v1.3.0
 	goa.design/goa v1.0.1-0.20190116060309-40843d63b0e4
 	golang.org/x/crypto v0.0.0-20201124201722-c8d3bf9c5392
 	golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c
diff --git a/go.sum b/go.sum
index 8a434abea..dcdf455bf 100644
--- a/go.sum
+++ b/go.sum
@@ -380,6 +380,7 @@ go.bug.st/relaxed-semver v0.0.0-20190922224835-391e10178d18/go.mod h1:Cx1VqMtEhE
 go.bug.st/serial v1.1.2/go.mod h1:VmYBeyJWp5BnJ0tw2NUJHZdJTGl2ecBGABHlzRK1knY=
 go.bug.st/serial v1.1.3 h1:YEBxJa9pKS9Wdg46B/jiaKbvvbUrjhZZZITfJHEJhaE=
 go.bug.st/serial v1.1.3/go.mod h1:8TT7u/SwwNIpJ8QaG4s+HTjFt9ReXs2cdOU7ZEk50Dk=
+go.bug.st/serial v1.3.0/go.mod h1:8TT7u/SwwNIpJ8QaG4s+HTjFt9ReXs2cdOU7ZEk50Dk=
 go.bug.st/serial.v1 v0.0.0-20180827123349-5f7892a7bb45 h1:mACY1anK6HNCZtm/DK2Rf2ZPHggVqeB0+7rY9Gl6wyI=
 go.bug.st/serial.v1 v0.0.0-20180827123349-5f7892a7bb45/go.mod h1:dRSl/CVCTf56CkXgJMDOdSwNfo2g1orOGE/gBGdvjZw=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=