diff --git a/go.mod b/go.mod
index ee48f6d..418eb8e 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,7 @@ require (
 	github.com/mh-cbon/stringexec v0.0.0-20160727103857-bc348d279f97
 	github.com/stretchr/testify v1.7.0
 	github.com/urfave/cli v1.20.0
-	golang.org/x/sys v0.0.0-20161108151328-9a2e24c3733e
+	golang.org/x/sys v0.1.0
 	golang.org/x/text v0.3.1-0.20180810153555-6e3c4e7365dd
 )
 
diff --git a/go.sum b/go.sum
index 83ef80e..0f35d27 100644
--- a/go.sum
+++ b/go.sum
@@ -19,8 +19,8 @@ github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5Cc
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/urfave/cli v1.20.0 h1:fDqGv3UG/4jbVl/QkFwEdddtEDjh/5Ov6X+0B/3bPaw=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
-golang.org/x/sys v0.0.0-20161108151328-9a2e24c3733e h1:noFVAnJ3Wx72//8KbQX5NXL+mYoL7MPza20zUFW2nMQ=
-golang.org/x/sys v0.0.0-20161108151328-9a2e24c3733e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+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/text v0.3.1-0.20180810153555-6e3c4e7365dd h1:lo2UnwK3h6RzZubcJ+kvjMy3neKtAKQ7TnVRxhiEceU=
 golang.org/x/text v0.3.1-0.20180810153555-6e3c4e7365dd/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=