diff --git a/go.mod b/go.mod
index 0e1e909..8159793 100644
--- a/go.mod
+++ b/go.mod
@@ -35,7 +35,8 @@ replace (
 	golang.org/x/net => golang.org/x/net v0.0.0-20190206173232-65e2d4e15006
 	golang.org/x/sync => golang.org/x/sync v0.0.0-20181108010431-42b317875d0f
 	golang.org/x/sys => golang.org/x/sys v0.0.0-20171031081856-95c657629925
-	golang.org/x/text => golang.org/x/text v0.0.0-20170810154203-b19bf474d317
+	golang.org/x/text => golang.org/x/text v0.3.1-0.20181227161524-e6919f6577db
+	golang.org/x/tools => golang.org/x/tools v0.0.0-20190205050122-7f7074d5bcfd
 	gopkg.in/check.v1 => gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405
 	gopkg.in/fsnotify.v1 => gopkg.in/fsnotify.v1 v1.4.7
 	gopkg.in/inf.v0 => gopkg.in/inf.v0 v0.9.0
diff --git a/go.sum b/go.sum
index f322435..954fb57 100644
--- a/go.sum
+++ b/go.sum
@@ -33,8 +33,9 @@ golang.org/x/net v0.0.0-20190206173232-65e2d4e15006 h1:bfLnR+k0tq5Lqt6dflRLcZiz6
 golang.org/x/net v0.0.0-20190206173232-65e2d4e15006/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20171031081856-95c657629925/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/text v0.0.0-20170810154203-b19bf474d317 h1:WKW+OPdYPlvOTVGHuMfjnIC6yY2SI93yFB0pZ7giBmQ=
-golang.org/x/text v0.0.0-20170810154203-b19bf474d317/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.1-0.20181227161524-e6919f6577db h1:6/JqlYfC1CCaLnGceQTI+sDGhC9UBSPAsBqI0Gun6kU=
+golang.org/x/text v0.3.1-0.20181227161524-e6919f6577db/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/tools v0.0.0-20190205050122-7f7074d5bcfd/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=