diff --git a/src/Symfony/Component/EventDispatcher/Tests/Debug/TraceableEventDispatcherTest.php b/src/Symfony/Component/EventDispatcher/Tests/Debug/TraceableEventDispatcherTest.php
index 4462519196..9b044a2f0a 100644
--- a/src/Symfony/Component/EventDispatcher/Tests/Debug/TraceableEventDispatcherTest.php
+++ b/src/Symfony/Component/EventDispatcher/Tests/Debug/TraceableEventDispatcherTest.php
@@ -12,7 +12,7 @@
 namespace Symfony\Component\EventDispatcher\Tests\Debug;
 
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\Debug\BufferingLogger;
+use Symfony\Component\ErrorHandler\BufferingLogger;
 use Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher;
 use Symfony\Component\EventDispatcher\Event;
 use Symfony\Component\EventDispatcher\EventDispatcher;
diff --git a/src/Symfony/Component/EventDispatcher/composer.json b/src/Symfony/Component/EventDispatcher/composer.json
index 16c35a156c..d86b1184a7 100644
--- a/src/Symfony/Component/EventDispatcher/composer.json
+++ b/src/Symfony/Component/EventDispatcher/composer.json
@@ -23,7 +23,7 @@
         "symfony/dependency-injection": "^3.4|^4.0|^5.0",
         "symfony/expression-language": "^3.4|^4.0|^5.0",
         "symfony/config": "^3.4|^4.0|^5.0",
-        "symfony/debug": "~3.4|~4.4",
+        "symfony/error-handler": "~3.4|~4.4",
         "symfony/http-foundation": "^3.4|^4.0|^5.0",
         "symfony/service-contracts": "^1.1|^2",
         "symfony/stopwatch": "^3.4|^4.0|^5.0",