diff --git a/composer.json b/composer.json
index 06ac44c9..1448c34b 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
         "php": ">=8.0",
         "beberlei/assert": "^2.1 || ^3.0",
         "bernard/normalt": "^1.0",
-        "symfony/event-dispatcher": "^3.0 || ^4.0"
+        "symfony/event-dispatcher": "^3.0 || ^4.0 || ^5.0 || ^6.0"
     },
     "require-dev": {
         "doctrine/dbal": "^2.5",
@@ -25,7 +25,7 @@
         "phpunit/phpunit": "^9.5",
         "psr/container": "^1.0",
         "psr/log": "^1.0",
-        "symfony/console": "^3.0 || ^4.0"
+        "symfony/console": "^3.0 || ^4.0 || ^5.0 || ^6.0"
     },
     "suggest": {
         "doctrine/dbal": "Allow sending messages to simulated message queue in a database via doctrine dbal",
diff --git a/src/Event/EnvelopeEvent.php b/src/Event/EnvelopeEvent.php
index 68ca2ed1..0b358de1 100644
--- a/src/Event/EnvelopeEvent.php
+++ b/src/Event/EnvelopeEvent.php
@@ -7,7 +7,7 @@
 use Bernard\Envelope;
 use Bernard\Queue;
 
-class EnvelopeEvent extends \Symfony\Component\EventDispatcher\Event
+class EnvelopeEvent extends \Symfony\Contracts\EventDispatcher\Event
 {
     protected $envelope;
     protected $queue;
diff --git a/src/Event/PingEvent.php b/src/Event/PingEvent.php
index e1d2a663..ca33128d 100644
--- a/src/Event/PingEvent.php
+++ b/src/Event/PingEvent.php
@@ -5,9 +5,8 @@
 namespace Bernard\Event;
 
 use Bernard\Queue;
-use Symfony\Component\EventDispatcher\Event;
 
-class PingEvent extends Event
+class PingEvent extends \Symfony\Contracts\EventDispatcher\Event
 {
     protected $queue;