diff --git a/gotty/go.mod b/gotty/go.mod
index 9b91763..b41e04d 100644
--- a/gotty/go.mod
+++ b/gotty/go.mod
@@ -19,5 +19,5 @@ require (
 	github.com/cpuguy83/go-md2man/v2 v2.0.1 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	golang.org/x/sys v0.0.0-20210927052749-1cf2251ac284 // indirect
+	golang.org/x/sys v0.1.0 // indirect
 )
diff --git a/gotty/go.sum b/gotty/go.sum
index a2517cd..d50f90f 100644
--- a/gotty/go.sum
+++ b/gotty/go.sum
@@ -94,8 +94,8 @@ golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210927052749-1cf2251ac284 h1:lBPNCmq8u4zFP3huKCmUQ2Fx8kcY4X+O12UgGnyKsrg=
-golang.org/x/sys v0.0.0-20210927052749-1cf2251ac284/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
+golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=