diff --git a/src/Contracts/Future/CanSetConnection.php b/src/Contracts/Future/CanSetConnection.php
index 46eed853..4fde6cb4 100644
--- a/src/Contracts/Future/CanSetConnection.php
+++ b/src/Contracts/Future/CanSetConnection.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Stancl\Tenancy\Contracts\Future;
 
 use Illuminate\Database\Connection;
@@ -10,4 +12,4 @@ use Illuminate\Database\Connection;
 interface CanSetConnection
 {
     public function setConnection(Connection $connection);
-}
\ No newline at end of file
+}