diff --git a/tests/Monolog/SignalHandlerTest.php b/tests/Monolog/SignalHandlerTest.php
index 9fa07929..c2c145bb 100644
--- a/tests/Monolog/SignalHandlerTest.php
+++ b/tests/Monolog/SignalHandlerTest.php
@@ -14,6 +14,7 @@ namespace Monolog;
 use Monolog\Handler\StreamHandler;
 use Monolog\Handler\TestHandler;
 use Psr\Log\LogLevel;
+use Monolog\Test\TestCase;
 
 /**
  * @author Robert Gust-Bardon <robert@gust-bardon.org>