diff --git a/go.mod b/go.mod
index 945ca13..b41c1f3 100644
--- a/go.mod
+++ b/go.mod
@@ -4,5 +4,5 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/stretchr/testify v1.3.0
-	golang.org/x/tools v0.0.0-20190611014410-f8d1dee965f7
+	golang.org/x/tools 307de81be3f4
 )