diff --git a/go.mod b/go.mod
index 12da5c6..c63b5e8 100644
--- a/go.mod
+++ b/go.mod
@@ -15,7 +15,7 @@ require (
 	golang.org/x/net v0.0.0-20190909003024-a7b16738d86b // indirect
 	golang.org/x/sys v0.0.0-20190909082730-f460065e899a // indirect
 	golang.org/x/text v0.3.2 // indirect
-	golang.org/x/tools v0.0.0-20190909214602-067311248421
+	golang.org/x/tools v0.0.0-20190910044552-dd2b5c81c578
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 	gopkg.in/yaml.v2 v2.2.2
 )
diff --git a/go.sum b/go.sum
index 36556f0..b102a0a 100644
--- a/go.sum
+++ b/go.sum
@@ -76,6 +76,8 @@ golang.org/x/tools v0.0.0-20190909030654-5b82db07426d h1:PhtdWYteEBebOX7KXm4qkIA
 golang.org/x/tools v0.0.0-20190909030654-5b82db07426d/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20190909214602-067311248421 h1:NmmWqJbt02YJHmp4A4gBXvsXXIzzixjzE1y6PKUyIjk=
 golang.org/x/tools v0.0.0-20190909214602-067311248421/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20190910044552-dd2b5c81c578 h1:f0Gfd654rnnfXT1+BK1YHPTS1qQdKrPIaGQwWxNE44k=
+golang.org/x/tools v0.0.0-20190910044552-dd2b5c81c578/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=