diff --git a/go.mod b/go.mod
index 68f1ca4..bfc508f 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/stretchr/testify v1.3.0 // indirect
 	golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4
-	golang.org/x/sys v0.0.0-20190804053845-51ab0e2deafa // indirect
+	golang.org/x/sys v0.0.0-20190812172918-4e8604ab3aff // indirect
 	gopkg.in/square/go-jose.v2 v2.3.1
 	gopkg.in/urfave/cli.v2 v2.0.0-20190806201727-b62605953717
 )
diff --git a/go.sum b/go.sum
index 448c9e1..b06e432 100644
--- a/go.sum
+++ b/go.sum
@@ -16,6 +16,7 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d h1:+R4KGOnez64A81RvjARKc4UT5
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190804053845-51ab0e2deafa h1:KIDDMLT1O0Nr7TSxp8xM5tJcdn8tgyAONntO829og1M=
 golang.org/x/sys v0.0.0-20190804053845-51ab0e2deafa/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190812172918-4e8604ab3aff/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 gopkg.in/square/go-jose.v2 v2.3.1 h1:SK5KegNXmKmqE342YYN2qPHEnUYeoMiXXl1poUlI+o4=
 gopkg.in/square/go-jose.v2 v2.3.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=