diff --git a/config/app.php b/config/app.php
index 4f2959817..24b0b0d4b 100644
--- a/config/app.php
+++ b/config/app.php
@@ -83,7 +83,7 @@ return [
 
     'key' => 'CHANGE_ME!!!!!!!',
 
-    'cipher' => MCRYPT_RIJNDAEL_128,
+    'cipher' => 'AES-256-CBC',
 
     /*
     |--------------------------------------------------------------------------