diff --git a/src/AmoAPI.php b/src/AmoAPI.php
index b797801..6570e5d 100644
--- a/src/AmoAPI.php
+++ b/src/AmoAPI.php
@@ -4,6 +4,7 @@
 use Lcobucci\JWT\Parser;
 use Auth;
 use Illuminate\Support\Facades\Log;
+use Illuminate\Support\Str;
 
 class AmoAPI
 {