diff --git a/util/crypto/crypto.go b/util/crypto/crypto.go
index cbb912a3..caaeeb68 100644
--- a/util/crypto/crypto.go
+++ b/util/crypto/crypto.go
@@ -2,6 +2,7 @@ package crypto
 
 import (
 	"crypto/md5"
+	"crypto/rand"
 	"fmt"
 	"strings"
 )