diff --git a/go.mod b/go.mod
index 61a7ba0c..5d92eca2 100644
--- a/go.mod
+++ b/go.mod
@@ -35,7 +35,7 @@ require (
 	golang.org/x/net v0.0.0-20181220203305-927f97764cc3 // indirect
 	golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890
 	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 // indirect
-	golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6 // indirect
+	golang.org/x/sys v0.0.0-20181228152649-9a3f9b0469bb // indirect
 	google.golang.org/appengine v1.4.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 	moul.io/zapgorm v0.0.0-20181220094309-2149c5ded6fc
diff --git a/go.sum b/go.sum
index 9365772a..aa82e5ea 100644
--- a/go.sum
+++ b/go.sum
@@ -161,6 +161,7 @@ golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6 h1:IcgEB62HYgAhX0Nd/QrVgZlxlcyxbGQHElLUhW2X4Fo=
 golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181228152649-9a3f9b0469bb/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 google.golang.org/appengine v1.2.0 h1:S0iUepdCWODXRvtE+gcRDd15L+k+k1AiHlMiMjefH24=