diff --git a/go.mod b/go.mod
index 70f7557..472dc32 100644
--- a/go.mod
+++ b/go.mod
@@ -15,7 +15,7 @@ require (
 	golang.org/x/net v0.0.0-20190916140828-c8589233b77d // indirect
 	golang.org/x/sys v0.0.0-20190913121621-c3b328c6e5a7 // indirect
 	golang.org/x/text v0.3.2 // indirect
-	golang.org/x/tools v0.0.0-20190916034716-92af9d69eff2
+	golang.org/x/tools v0.0.0-20190917032747-2dc213d980bc
 	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 2e29a91..5ce2096 100644
--- a/go.sum
+++ b/go.sum
@@ -90,6 +90,8 @@ golang.org/x/tools v0.0.0-20190911230505-6bfd74cf029c h1:ZgedNh8bIOBjyY5XEG0kR/4
 golang.org/x/tools v0.0.0-20190911230505-6bfd74cf029c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20190916034716-92af9d69eff2 h1:cvSBP3q8DeS4up5q8ssbGdEtSGiDgRV7HBvOpr3g5RM=
 golang.org/x/tools v0.0.0-20190916034716-92af9d69eff2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20190917032747-2dc213d980bc h1:AzQrNvr65FlhSjBpg0eVCY43QLsuOqtzWGtjcBqT6J8=
+golang.org/x/tools v0.0.0-20190917032747-2dc213d980bc/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=