diff --git a/tests/OptionsTest.php b/tests/OptionsTest.php
index d47afcf..f2251d8 100644
--- a/tests/OptionsTest.php
+++ b/tests/OptionsTest.php
@@ -1,6 +1,8 @@
 <?php
 declare(strict_types = 1);
 
+namespace LanguageServer\Tests;
+
 use PHPUnit\Framework\TestCase;
 use LanguageServer\Options;