diff --git a/concurrent/download.go b/concurrent/download.go
index 48dd98c..849bd3e 100644
--- a/concurrent/download.go
+++ b/concurrent/download.go
@@ -6,6 +6,7 @@ import (
 	"path"
 	"strconv"
 	"time"
+	"os"
 
 	"github.com/dustin/go-humanize"
 	"github.com/logrusorgru/aurora"