diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json
index 5078585..3c297d1 100644
--- a/Godeps/Godeps.json
+++ b/Godeps/Godeps.json
@@ -1,6 +1,6 @@
 {
 	"ImportPath": "github.com/yudai/gotty",
-	"GoVersion": "go1.4",
+	"GoVersion": "go1.5",
 	"Deps": [
 		{
 			"ImportPath": "github.com/codegangsta/cli",